Overview for Contract Prior to utilizing a contract, the user should read the contract in it's entirety.

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1 Overview for Contract Prior to utilizing a contract, the user should read the contract in it's entirety. DESCRIPTION CONTRACT INFO Legacy Contract # for Plow Repair & Maintenance Parts (i.e. s, Nose Pieces, Shoes and Accessories for Plows) Of the 5 Contracts awarded 3 of the Contractors (Valk Manufacturing, Winter Equipment Company, and AFS Energy Systems) allow for COSTARS participation while of the Contractors (Kennametal Inc and Highway Equipment & Supply Company) do not allow for COSTAR's participation) Contract Number & Title Legacy Contract # "Plow Repair and Maintenance Parts"" Number of Suppliers 5 Validty Period DGS Point of Contact Contact Phone # 0 June 007 thru 3 May 009 (3 Renewal Years Possible) Richard Woodworth rwoodworth@state.pa.us PRICING HIGHLIGHTS PROCESS TO PURCHASE This contract is a mix of 39 line item specific items with an additional Discount from List Price line item to cover the miscellaneous items format. Place purchase order for the equipment in accordance with the contract's terms & conditions (to include the "Special Contract Terms and Condistions) Units covered are primarily those as used by PA-DOT Unit specifications conform with PA-DOT requirements

2 REPRINT Page of Contract No Contract Original Approval Date: 05/3/007 All using Agencies of the Commonwealth, Participating Political Subdivision, Authorities, Private Colleges and Universities Your SAP Vendor Number With Us: 06 Supplier Name/Address: ADVANCED FABRICATION SERVICES DBA AFS ENERGY SYSTEMS 40 OAK ST LEMOYNE PA Supplier Telephone No: Supplier Fax No.: Purchasing Agent: Name: Rich Woodworth Phone: Fax: Valid from/to: 06/0/007-05/3/009 Please Deliver To: To be determined at the time of the Purchase Order unless specified below Your Quotation: Collective No.: Our Quotation: Date: Payment Terms: NET 30 The Commonwealth of Pennsylvania, through the Department of General Services, accepts the submission of the Bidder/Contractor for the awarded item(s) at the price(s) set forth below in accordance with: ) the RFQ submitted by the Bidder/Contractor, if any; ) the documents attached to this Contract or incorporated by reference, if any, and 3) the contract terms and conditions stored on the website address at for this type of Contract as of the date of the RFQ, if any, or other solicitation for this Contract, all of which, as appropriate, are incorporated herein by reference. When the Bidder/Contractor receives an order from a Commonwealth agency, the order constitutes the Bidder/Contractor's authority to furnish the item(s) to the agency at the time(s) and place(s) specified in the order. RFQ, as used herein, means Request for Quotations, Invitation for Bids, Invitation to Qualify, or Request for Proposals, as appropriate. Item Material/Service Desc PLATE,SHOE ADAPTER BRACKET VALK 40 Est Qty UOM Net Price Per Unit Total 0.00 Each 66.5 Each 0.00 In accordance with PA-DOT Spec #EQN-6B General Requirements for all Items: Header Text SEE LAST PAGE FOR ESTIMATED TOTAL VALUE INFORMATION Integrated Environment Systems Form Name: ZM_SFRM_STD_MMCO_L, Version.0, Created on 05/7/003, Last changed on 03/9/005.

3 Item... Material/Service Desc Contractor Point-of-Contact: REPRINT Page of Contract No Contract Original Approval Date: 05/3/007 Supplier Name: ADVANCED FABRICATION SERVICES DBA AFS ENERGY SYSTEMS Est Qty UOM Net Price Per Unit Total - Tim Shatto - Phone (Fabrication Office) - Fax info@afsenergy.com This Contractor has agreed to participate in the COSTARS program. This Contractor Does Not meet Federal Disadvantaged Business Enterprise ("DBE") participation requirements as defined in federal law and in regulations set forth in 49 C.F.R. Part 6. No futher information for this contract. Estimated Total Value: $ 5, Currency: USD Integrated Environment Systems Form Name: ZM_SFRM_STD_MMCO_L, Version.0, Created on 05/7/003, Last changed on 03/9/005.

4 REPRINT Page of 4 Contract No Contract Original Approval Date: 05/3/007 All using Agencies of the Commonwealth, Participating Political Subdivision, Authorities, Private Colleges and Universities Your SAP Vendor Number With Us: 7593 Supplier Name/Address: HIGHWAY EQUIPMENT & SUPPLY CO PO Box 7 DRUMS PA 8-07 USA Supplier Telephone No: Supplier Fax No.: Purchasing Agent: Name: Rich Woodworth Phone: Fax: Valid from/to: 06/0/007-05/3/009 Please Deliver To: To be determined at the time of the Purchase Order unless specified below Your Quotation: Collective No.: Our Quotation: Date: Payment Terms: NET 30 The Commonwealth of Pennsylvania, through the Department of General Services, accepts the submission of the Bidder/Contractor for the awarded item(s) at the price(s) set forth below in accordance with: ) the RFQ submitted by the Bidder/Contractor, if any; ) the documents attached to this Contract or incorporated by reference, if any, and 3) the contract terms and conditions stored on the website address at for this type of Contract as of the date of the RFQ, if any, or other solicitation for this Contract, all of which, as appropriate, are incorporated herein by reference. When the Bidder/Contractor receives an order from a Commonwealth agency, the order constitutes the Bidder/Contractor's authority to furnish the item(s) to the agency at the time(s) and place(s) specified in the order. RFQ, as used herein, means Request for Quotations, Invitation for Bids, Invitation to Qualify, or Request for Proposals, as appropriate. Item Material/Service Desc STEEL 5/8X6X0FT Est Qty UOM Net Price Per Unit Total 0.00 Each Each 0.00 In accordance with PA-DOT Spec #EQN-6A STEEL 5/8X6X0FT-0 / 0.00 Each 48.3 Each 0.00 In accordance with PA-DOT Spec #EQN-6C SEE LAST PAGE FOR ESTIMATED TOTAL VALUE INFORMATION Integrated Environment Systems Form Name: ZM_SFRM_STD_MMCO_L, Version.0, Created on 05/7/003, Last changed on 03/9/005.

5 REPRINT Page of 4 Contract No Contract Original Approval Date: 05/3/007 Supplier Name: HIGHWAY EQUIPMENT & SUPPLY CO Item Material/Service Desc STEEL,COVER BLADE FT Est Qty UOM Net Price Per Unit Total 0.00 Each 48.3 Each 0.00 In accordance with PA-DOT Spec #EQN-6D STEEL,CARBIDE TIP 6X Each Each 0.00 In accordance with PA-DOT Spec #EQN-7A CARBIDE TIP 6X Each Each 0.00 In accordance with PA-DOT Spec #EQN-7A STEEL, 5/8X8XFT 0.00 Each 4.48 Each 0.00 In accordance with PA-DOT Spec #EQN-6F STEEL,FOR LOADER 0.00 Each 0.97 Each 0.00 In accordance with PA-DOT requirements STEEL,COVER BLADE 5/8X6X Each Each STEEL,COVER BLADE /X6X Each Each 0.00 Integrated Environment Systems Form Name: ZM_SFRM_STD_MMCO_L, Version.0, Created on 05/7/003, Last changed on 03/9/005.

6 REPRINT Page 3 of 4 Contract No Contract Original Approval Date: 05/3/007 Supplier Name: HIGHWAY EQUIPMENT & SUPPLY CO Item Material/Service Desc Est Qty UOM Net Price Per Unit Total STEEL,COVER BLADE /X6X 0.00 Each 48.3 Each STEEL,COVER BLADE /X6X 0.00 Each 6.59 Each STEEL,GRADER BLADE 3/4X8X Each 83.8 Each STEEL,GRADER BLADE3/4X8X Each Each CARBIDE,TUNGSTN 48" Grader 0.00 Each Each CARBIDE,TUNGSTN 36" Grader 0.00 Each Each Misc Repair & Maint Parts In accordance with Bucyrus Blades Price-List showing Fax Date of May, 007 (as provided by Highway Equipment & Supply Company) General Requirements for all Items: Header Text Integrated Environment Systems Form Name: ZM_SFRM_STD_MMCO_L, Version.0, Created on 05/7/003, Last changed on 03/9/005.

7 REPRINT Page 4 of 4 Contract No Contract Original Approval Date: 05/3/007 Supplier Name: HIGHWAY EQUIPMENT & SUPPLY CO Item... Material/Service Desc Contractor Point-of-Contact: Est Qty UOM Net Price Per Unit Total - Paul Ferdinand - Phone Fax Cell This Contractor has opted NOT to participate in the COSTARS program. This Contractor Does Not meet Federal Disadvantaged Business Enterprise ("DBE") participation requirements as defined in federal law and in regulations set forth in 49 C.F.R. Part 6. No futher information for this contract. Estimated Total Value: $ 50, Currency: USD Integrated Environment Systems Form Name: ZM_SFRM_STD_MMCO_L, Version.0, Created on 05/7/003, Last changed on 03/9/005.

8 REPRINT Page of 4 Contract No Contract Original Approval Date: 05/3/007 Contract Change Approval Date: 07/03/007 All using Agencies of the Commonwealth, Participating Political Subdivision, Authorities, Private Colleges and Universities Your SAP Vendor Number With Us: 450 Supplier Name/Address: KENNAMETAL INC 600 TECHNOLOGY WAY LATROBE PA USA Supplier Telephone No: Supplier Fax No.: Purchasing Agent: Name: Rich Woodworth Phone: Fax: Valid from/to: 06/0/007-05/3/009 Please Deliver To: To be determined at the time of the Purchase Order unless specified below Your Quotation: Collective No.: Our Quotation: Date: Payment Terms: NET 30 The Commonwealth of Pennsylvania, through the Department of General Services, accepts the submission of the Bidder/Contractor for the awarded item(s) at the price(s) set forth below in accordance with: ) the RFQ submitted by the Bidder/Contractor, if any; ) the documents attached to this Contract or incorporated by reference, if any, and 3) the contract terms and conditions stored on the website address at for this type of Contract as of the date of the RFQ, if any, or other solicitation for this Contract, all of which, as appropriate, are incorporated herein by reference. When the Bidder/Contractor receives an order from a Commonwealth agency, the order constitutes the Bidder/Contractor's authority to furnish the item(s) to the agency at the time(s) and place(s) specified in the order. RFQ, as used herein, means Request for Quotations, Invitation for Bids, Invitation to Qualify, or Request for Proposals, as appropriate. Item Material/Service Desc STEEL,CARBIDE TIP 6X36 Est Qty UOM Net Price Per Unit Total 0.00 Each Each 0.00 In accordance with PA-DOT Spec #EQN-7A CARBIDE TIP 6X Each Each 0.00 In accordance with PA-DOT Spec #EQN-7A SEE LAST PAGE FOR ESTIMATED TOTAL VALUE INFORMATION Integrated Environment Systems Form Name: ZM_SFRM_STD_MMCO_L, Version.0, Created on 05/7/003, Last changed on 03/9/005.

9 REPRINT Page of 4 Contract No Contract Original Approval Date: 05/3/007 Supplier Name: KENNAMETAL INC Item Material/Service Desc CARBIDE,TUNGSTN 6X36 Est Qty UOM Net Price Per Unit Total 0.00 Each 04.5 Each 0.00 In accordance with PA-DOT Spec #EQN-7B CARBIDE,TUNGSTN 6X Each Each 0.00 In accordance with PA-DOT Spec #EQN-7B ZDNU-SHOE ROUND STEEL,WITH BRACKET 0.00 Each Each 0.00 In accordance with PA-DOT Spec #EQN SHOE,CARBIDE WEARSHOE VALK Each Each 0.00 In accordance with PA-DOT Spec #EQN SHOE,CARBIDE,MOUL DBOARD INSERT 0.00 Each Each 0.00 In accordance with PA-DOT Spec #EQN-059 VALK CARBIDE,TUNGSTN 0.00 Each Each 0.00 In accordance with PA-DOT Spec #EQN-7 PLOW TIP 5 X 36 Integrated Environment Systems Form Name: ZM_SFRM_STD_MMCO_L, Version.0, Created on 05/7/003, Last changed on 03/9/005.

10 REPRINT Page 3 of 4 Contract No Contract Original Approval Date: 05/3/007 Supplier Name: KENNAMETAL INC Item Material/Service Desc CARBIDE,TUNGSTN In accordance with PA-DOT Spec #EQN-7 Est Qty UOM Net Price Per Unit Total 0.00 Each Each 0.00 PLOW TIP 5 X CARBIDE,DOUBLE EDGE 48X Each Each CARBIDE,DOUBLE EDGE 36X Each Each CARBIDE,TUNGSTN 48" Grader 0.00 Each Each CARBIDE,TUNGSTN 36" Grader 0.00 Each Each Misc Repair & Maint Parts In accordance with Kennametal Master PA Pricing Price-List Dated June, 007 (as provided by Kennametal Inc) General Requirements for all Items: Header Text Integrated Environment Systems Form Name: ZM_SFRM_STD_MMCO_L, Version.0, Created on 05/7/003, Last changed on 03/9/005.

11 REPRINT Page 4 of 4 Contract No Contract Original Approval Date: 05/3/007 Supplier Name: KENNAMETAL INC Item... Material/Service Desc Contractor Point-of-Contact: Est Qty UOM Net Price Per Unit Total - Terry Manway (Sales & Marketing Manager) - Phone Fax terry.manway@kennametal.com This Contractor has opted NOT to participate in the COSTARS program. This Contractor Does Not meet Federal Disadvantaged Business Enterprise ("DBE") participation requirements as defined in federal law and in regulations set forth in 49 C.F.R. Part 6. No futher information for this contract. Estimated Total Value: $ 499, Currency: USD Integrated Environment Systems Form Name: ZM_SFRM_STD_MMCO_L, Version.0, Created on 05/7/003, Last changed on 03/9/005.

12 REPRINT Page of 6 Contract No Contract Original Approval Date: 05/3/007 All using Agencies of the Commonwealth, Participating Political Subdivision, Authorities, Private Colleges and Universities Your SAP Vendor Number With Us: 675 Supplier Name/Address: WINTER EQUIPMENT CO INC 900 JOSEPH LLOYD PKWY WILLOUGHBY OH USA Supplier Telephone No: Supplier Fax No.: Purchasing Agent: Name: Rich Woodworth Phone: Fax: Valid from/to: 06/0/007-05/3/009 Please Deliver To: To be determined at the time of the Purchase Order unless specified below Your Quotation: Collective No.: Our Quotation: Date: Payment Terms: NET 30 The Commonwealth of Pennsylvania, through the Department of General Services, accepts the submission of the Bidder/Contractor for the awarded item(s) at the price(s) set forth below in accordance with: ) the RFQ submitted by the Bidder/Contractor, if any; ) the documents attached to this Contract or incorporated by reference, if any, and 3) the contract terms and conditions stored on the website address at for this type of Contract as of the date of the RFQ, if any, or other solicitation for this Contract, all of which, as appropriate, are incorporated herein by reference. When the Bidder/Contractor receives an order from a Commonwealth agency, the order constitutes the Bidder/Contractor's authority to furnish the item(s) to the agency at the time(s) and place(s) specified in the order. RFQ, as used herein, means Request for Quotations, Invitation for Bids, Invitation to Qualify, or Request for Proposals, as appropriate. Item Material/Service Desc STEEL,CARBIDE TIP 6X36 Est Qty UOM Net Price Per Unit Total 0.00 Each 4.50 Each 0.00 In accordance with PA-DOT Spec #EQN-7A CARBIDE TIP 6X Each Each 0.00 In accordance with PA-DOT Spec #EQN-7A SEE LAST PAGE FOR ESTIMATED TOTAL VALUE INFORMATION Integrated Environment Systems Form Name: ZM_SFRM_STD_MMCO_L, Version.0, Created on 05/7/003, Last changed on 03/9/005.

13 REPRINT Page of 6 Contract No Contract Original Approval Date: 05/3/007 Supplier Name: WINTER EQUIPMENT CO INC Item Material/Service Desc CARBIDE,TUNGSTN 6X36 Est Qty UOM Net Price Per Unit Total 0.00 Each 4.50 Each 0.00 In accordance with PA-DOT Spec #EQN-7B CARBIDE,TUNGSTN 6X Each Each 0.00 In accordance with PA-DOT Spec #EQN-7B ZDNU-SHOE ROUND STEEL,WITH BRACKET 0.00 Each Each 0.00 In accordance with PA-DOT Spec #EQN SHOE,CARBIDE WEARSHOE VALK Each Each 0.00 In accordance with PA-DOT Spec #EQN PLATE,SHOE ADAPTER BRACKET VALK Each 4.50 Each 0.00 In accordance with PA-DOT Spec #EQN-6B SHOE,CARBIDE,MOUL DBOARD INSERT 0.00 Each Each 0.00 In accordance with PA-DOT Spec #EQN-059 VALK 40 Integrated Environment Systems Form Name: ZM_SFRM_STD_MMCO_L, Version.0, Created on 05/7/003, Last changed on 03/9/005.

14 REPRINT Page 3 of 6 Contract No Contract Original Approval Date: 05/3/007 Supplier Name: WINTER EQUIPMENT CO INC Item Material/Service Desc SHOE,STEEL,MOULDB OARD SHOE In accordance with PA-DOT Spec #EQN-47E Est Qty UOM Net Price Per Unit Total 0.00 Each Each 0.00 WITHOUT CARBIDE, VALK PIN,CLEVIS,STEEL 0.00 Each 7.00 Each 0.00 In accordance with PA-DOT Spec #EQN BUMPER,CURB-STEEL, LEFT VALK Each Each 0.00 In accordance with PA-DOT Spec #EQN BUMPER,CURB-STEEL, RIGHT VALK Each Each 0.00 In accordance with PA-DOT Spec #EQN GUARD,PLOW STEEL 0.00 Each Each 0.00 In accordance with PA-DOT Spec #EQN RUBBER /X0X0FT 0.00 Each 4.8 Each 0.00 In accordance with PA-DOT Spec #EQN-6E GUARD,PLOW STEEL-LEFT 0.00 Each Each 0.00 In accordance with PA-DOT Spec #EQN-49 Integrated Environment Systems Form Name: ZM_SFRM_STD_MMCO_L, Version.0, Created on 05/7/003, Last changed on 03/9/005.

15 REPRINT Page 4 of 6 Contract No Contract Original Approval Date: 05/3/007 Supplier Name: WINTER EQUIPMENT CO INC Item Material/Service Desc Est Qty UOM Net Price Per Unit Total GUARD,PLOW STEEL-RIGHT 0.00 Each Each 0.00 In accordance with PA-DOT Spec #EQN CARBIDE,TUNGSTN 0.00 Each Each 0.00 In accordance with PA-DOT Spec #EQN-7 PLOW TIP 5 X STEEL,FOR LOADER 0.00 Each Each 0.00 In accordance with PA-DOT Requirements 70 Misc Repair & Maint Parts 0.00 Each 0.80 Each 0.00 In accordance with Winter Equipment Company Price-Lists: "Plow Repair Maintenance Parts (INITIAL)" and "Plow Bolts, Nuts and Washers (INITIAL)"(as provided by Winter Equipment Company) STEEL,COVER BLADE /X6X Each Each STEEL,COVER BLADE /X6X 0.00 Each Each 0.00 Integrated Environment Systems Form Name: ZM_SFRM_STD_MMCO_L, Version.0, Created on 05/7/003, Last changed on 03/9/005.

16 REPRINT Page 5 of 6 Contract No Contract Original Approval Date: 05/3/007 Supplier Name: WINTER EQUIPMENT CO INC Item Material/Service Desc Est Qty UOM Net Price Per Unit Total STEEL,GRADER BLADE 3/4X8X Each 8.89 Each STEEL,GRADER BLADE3/4X8X Each 96.7 Each CARBIDE,TUNGSTN 36X Each Each CARBIDE,TUNGSTN 48" Grader 0.00 Each Each CARBIDE,TUNGSTN 36" Grader 0.00 Each Each Misc Repair & Maint Parts In accordance with Winter Equipment Company Price-Lists: "Plow Repair Maintenance Parts (INITIAL)" and "Plow Bolts, Nuts and Washers (INITIAL)"(as provided by Winter Equipment Company) General Requirements for all Items: Header Text Integrated Environment Systems Form Name: ZM_SFRM_STD_MMCO_L, Version.0, Created on 05/7/003, Last changed on 03/9/005.

17 REPRINT Page 6 of 6 Contract No Contract Original Approval Date: 05/3/007 Supplier Name: WINTER EQUIPMENT CO INC Item... Material/Service Desc Contractor Point-of-Contact: Est Qty UOM Net Price Per Unit Total - Rayanna Parison (Bid Coordinator/Inside Sales) - Phone or Fax or rayana@winterequipment.com - Eric Fox (Regional Sales Manager) - Phone or Fax or Cell This Contractor has agreed to participate in the COSTARS program. This Contractor Does Not meet Federal Disadvantaged Business Enterprise ("DBE") participation requirements as defined in federal law and in regulations set forth in 49 C.F.R. Part 6. No futher information for this contract. Estimated Total Value: $ 500, Currency: USD Integrated Environment Systems Form Name: ZM_SFRM_STD_MMCO_L, Version.0, Created on 05/7/003, Last changed on 03/9/005.

18 REPRINT Page of 7 Contract No Contract Original Approval Date: 05/3/007 All using Agencies of the Commonwealth, Participating Political Subdivision, Authorities, Private Colleges and Universities Your SAP Vendor Number With Us: 7798 Supplier Name/Address: VALK MANUFACTURING COMPANY PO Box 48 NEW KINGSTOWN PA USA Supplier Telephone No: Supplier Fax No.: Purchasing Agent: Name: Rich Woodworth Phone: Fax: Valid from/to: 06/0/007-05/3/009 Please Deliver To: To be determined at the time of the Purchase Order unless specified below Your Quotation: Collective No.: Our Quotation: Date: Payment Terms: NET 30 The Commonwealth of Pennsylvania, through the Department of General Services, accepts the submission of the Bidder/Contractor for the awarded item(s) at the price(s) set forth below in accordance with: ) the RFQ submitted by the Bidder/Contractor, if any; ) the documents attached to this Contract or incorporated by reference, if any, and 3) the contract terms and conditions stored on the website address at for this type of Contract as of the date of the RFQ, if any, or other solicitation for this Contract, all of which, as appropriate, are incorporated herein by reference. When the Bidder/Contractor receives an order from a Commonwealth agency, the order constitutes the Bidder/Contractor's authority to furnish the item(s) to the agency at the time(s) and place(s) specified in the order. RFQ, as used herein, means Request for Quotations, Invitation for Bids, Invitation to Qualify, or Request for Proposals, as appropriate. Item Material/Service Desc STEEL 5/8X6X0FT Est Qty UOM Net Price Per Unit Total 0.00 Each 8.00 Each 0.00 In accordance with PA-DOT Spec #EQN-6A STEEL 5/8X6X0FT-0 / 0.00 Each 9.00 Each 0.00 In accordance with PA-DOT Spec #EQN-6C SEE LAST PAGE FOR ESTIMATED TOTAL VALUE INFORMATION Integrated Environment Systems Form Name: ZM_SFRM_STD_MMCO_L, Version.0, Created on 05/7/003, Last changed on 03/9/005.

19 REPRINT Page of 7 Contract No Contract Original Approval Date: 05/3/007 Supplier Name: VALK MANUFACTURING COMPANY Item Material/Service Desc STEEL,COVER BLADE FT Est Qty UOM Net Price Per Unit Total 0.00 Each Each 0.00 In accordance with PA-DOT Spec #EQN-6D Valid from 05//007 to 05/30/007 Gross Price 9.00 USD EA STEEL,CARBIDE TIP 6X Each 93.7 Each 0.00 In accordance with PA-DOT Spec #EQN-7A CARBIDE TIP 6X Each 4.96 Each 0.00 In accordance with PA-DOT Spec #EQN-7A CARBIDE,TUNGSTN 6X Each 0.4 Each 0.00 In accordance with PA-DOT Spec #EQN-7B CARBIDE,TUNGSTN 6X Each Each 0.00 In accordance with PA-DOT Spec #EQN-7B NOSE PIECE,STEEL 7,73 PLOW 0.00 Each Each 0.00 In accordance with PA-DOT Spec #EQN-48 Integrated Environment Systems Form Name: ZM_SFRM_STD_MMCO_L, Version.0, Created on 05/7/003, Last changed on 03/9/005.

20 REPRINT Page 3 of 7 Contract No Contract Original Approval Date: 05/3/007 Supplier Name: VALK MANUFACTURING COMPANY Item Material/Service Desc Material PO Text Est Qty UOM Net Price Per Unit Total EQN NOSE PIECE,STEEL 7BA,73 PLOW 0.00 Each Each 0.00 In accordance with PA-DOT Spec #EQN-48H ZDNU-SHOE ROUND STEEL,WITH BRACKET 0.00 Each Each 0.00 In accordance with PA-DOT Spec #EQN SHOE,CARBIDE WEARSHOE VALK Each 9.00 Each 0.00 In accordance with PA-DOT Spec #EQN PLATE,SHOE ADAPTER BRACKET VALK Each.00 Each 0.00 In accordance with PA-DOT Spec #EQN-6B SHOE,CARBIDE,MOUL DBOARD INSERT 0.00 Each Each 0.00 In accordance with PA-DOT Spec #EQN-059 VALK SHOE,STEEL,MOULDB OARD SHOE 0.00 Each Each 0.00 In accordance with PA-DOT Spec #EQN-47E WITHOUT CARBIDE, VALK 73 Integrated Environment Systems Form Name: ZM_SFRM_STD_MMCO_L, Version.0, Created on 05/7/003, Last changed on 03/9/005.

21 REPRINT Page 4 of 7 Contract No Contract Original Approval Date: 05/3/007 Supplier Name: VALK MANUFACTURING COMPANY Item Material/Service Desc PIN,CLEVIS,STEEL Est Qty UOM Net Price Per Unit Total 0.00 Each 5.00 Each 0.00 In accordance with PA-DOT Spec #EQN BUMPER,CURB-STEEL, LEFT VALK Each Each 0.00 In accordance with PA-DOT Spec #EQN BUMPER,CURB-STEEL, RIGHT VALK Each Each 0.00 In accordance with PA-DOT Spec #EQN RUBBER /X0X0FT 0.00 Each 5.00 Each 0.00 In accordance with PA-DOT Spec #EQN-6E GUARD,PLOW STEEL-LEFT 0.00 Each Each 0.00 In accordance with PA-DOT Spec #EQN GUARD,PLOW STEEL-RIGHT 0.00 Each Each 0.00 In accordance with PA-DOT Spec #EQN STEEL, 5/8X8XFT 0.00 Each 3.00 Each 0.00 In accordance with PA-DOT Spec #EQN-6F Integrated Environment Systems Form Name: ZM_SFRM_STD_MMCO_L, Version.0, Created on 05/7/003, Last changed on 03/9/005.

22 REPRINT Page 5 of 7 Contract No Contract Original Approval Date: 05/3/007 Supplier Name: VALK MANUFACTURING COMPANY Item Material/Service Desc Est Qty UOM Net Price Per Unit Total NOSE PIECE,STEEL FOR 7, Each Each 0.00 In accordance with PA-DOT Spec #EQN-48G NOSE PIECE,STEEL FOR 7, Each Each 0.00 In accordance with PA-DOT Spec #EQN-48I NOSE PIECE,STEEL FOR VALK Each Each 0.00 In accordance with PA-DOT Spec #EQN-48E CARBIDE,TUNGSTN 0.00 Each 0.36 Each 0.00 In accordance with PA-DOT Spec #EQN-7 PLOW TIP 5 X STEEL,FOR LOADER 0.00 Each Each 0.00 In accordance with PA-DOT Requirements CARBIDE,DOUBLE EDGE 48X Each 59. Each CARBIDE,DOUBLE EDGE 36X Each Each 0.00 Integrated Environment Systems Form Name: ZM_SFRM_STD_MMCO_L, Version.0, Created on 05/7/003, Last changed on 03/9/005.

23 REPRINT Page 6 of 7 Contract No Contract Original Approval Date: 05/3/007 Supplier Name: VALK MANUFACTURING COMPANY Item Material/Service Desc Est Qty UOM Net Price Per Unit Total STEEL,COVER BLADE /X6X 0.00 Each 79.0 Each STEEL,GRADER BLADE 3/4X8X Each Each STEEL,COVER BLADE /X6X 0.00 Each 7.60 Each STEEL,GRADER BLADE3/4X8X Each 8.00 Each CARBIDE,TUNGSTN 36X Each 90.7 Each STEEL,COVER BLADE /X6X Each Each CARBIDE,TUNGSTN 36" Grader 0.00 Each Each CARBIDE,TUNGSTN 48" Grader 0.00 Each 3.8 Each 0.00 Integrated Environment Systems Form Name: ZM_SFRM_STD_MMCO_L, Version.0, Created on 05/7/003, Last changed on 03/9/005.

24 REPRINT Page 7 of 7 Contract No Contract Original Approval Date: 05/3/007 Supplier Name: VALK MANUFACTURING COMPANY Item Material/Service Desc Est Qty UOM Net Price Per Unit Total STEEL,COVER BLADE 5/8X6X Each 8.00 Each Misc Repair & Maint Parts In accordance with Valk Manufacturing Price-List titled "Valk Snowplows" dated 5//07(as provided by Valk Manufacturing Company) 530 Misc Repair & Maint Parts In accordance with Valk Manufacturing Price-List titled "Valk Replacement Price List" dated 7//96(as provided by Valk Manufacturing Company) General Requirements for all Items: Header Text... Contractor Point-of-Contact: - Dan C. Cribari - Phone Ext. - Fax plowsales@valkmfg.com - Robert P. Lang - Phone Fax rlang@valkmfg.com This Contractor has agreed to participate in the COSTARS program. This Contractor Does Not meet Federal Disadvantaged Business Enterprise ("DBE") participation requirements as defined in federal law and in regulations set forth in 49 C.F.R. Part 6. No futher information for this contract. Estimated Total Value: $ 500, Currency: USD Integrated Environment Systems Form Name: ZM_SFRM_STD_MMCO_L, Version.0, Created on 05/7/003, Last changed on 03/9/005.

25 REPRINT Page 8 of 8 Contract No Contract Original Approval Date: 05/3/007 Supplier Name: VALK MANUFACTURING COMPANY Item Material/Service Desc Header Text... Contractor Point-of-Contact: Est Qty UOM Net Price Per Unit Total General Requirements for all Items: - Dan C. Cribari - Phone Ext. - Fax plowsales@valkmfg.com - Robert P. Lang - Phone Fax rlang@valkmfg.com This Contractor has agreed to participate in the COSTARS program. This Contractor Does Not meet Federal Disadvantaged Business Enterprise ("DBE") participation requirements as defined in federal law and in regulations set forth in 49 C.F.R. Part 6. No futher information for this contract. Estimated Total Value: $ 500, Currency: USD Integrated Environment Systems Form Name: ZM_SFRM_STD_MMCO_L, Version.0, Created on 05/7/003, Last changed on 03/9/005.

26 BID #CN Page of REVISION # 7 April 007. BLADES: COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF TRANSPORTATION SPECIFICATIONS FOR TUNGSTEN CARBIDE CUTTING EDGES The Blade shall be flat, hot-rolled finished steel within the range of SAE 00 to SAE Holes shall be /6 square, counter bored to receive 5/8 diameter plow bolts. Location and spacing of the holes shall be as shown on the attached drawing(s)..3 The groove for the carbide inserts shall be milled in the center of the blade edge..4 Center of the holes shall be within /3 of established centerline.. TUNGSTEN CARBIDE INSERTS:. The inserts shall be a high shock WC grade or tungsten carbide with to.5 percent cobalt content. Density: 4. minimum to 4.6 maximum grams per cubic centimeter. Hardness: 87.5 minimum to 89.0 maximum Rockwell A scale. Transverse Rupture Strength: 350,000 minimum, pounds per square inch. Porosity: Based on testing in accordance with ASTM designation B A06 B0 C00. The carbide insert manufacturer shall furnish certification to the Department of Transportation, that inserts meet the specifications as set forth in. and that the inserts meet virgin tungsten carbide quality specifications..3 The inserts shall be a trapezoid design of the following dimensions: Height: (long side) Width: Length: Nominal

27 BID #CN Page of REVISION # 7 April 007 Bottom Angle: 5 degrees with a nose radius of /6 minimum.. TUNGSTEN CARBIDE INSERTS (Continued):.4 A metallurgic evaluation of the carbide insert shall show no evidence of cross grade contamination. 3. BRAZING: 3. The braze shall have a shear strength of no less that 30,000 psi. 3. The tungsten carbide inserts shall be positioned in the milled groove at 0.00 between the inserts the entire length of each cutting edge sections. 3.3 The inserts shall be induction brazed on all sides consistent with sound brazing practice with no evidence of voids or use of shims. 3.4 Each blade section to contain one insert of one inch ( ) nominal length for each inch of blade section length. Reference SPECIFIC REQUIREMENTS: 4. The difference between the highest and the lowest tip point not to exceed /3 on any given blade assembly. 4. The finished blade section shall be free of warpage and longitudinal deviation not to exceed /8 in a four foot (4 ) blade section. 4.3 Each blade section shall be identified with the manufacturer s identification stamp on each end of the section. 4.4 The finished blade sections shall be given one () coat of rust resistant paint and with markings showing the front edge of the blade to avoid improper mounting; however, the field portion ( ) of the blade surrounding the carbide insert is not to be painted to facilitate inspection.

28 in. in. in..875 in..35 in..875 in in. 48 in. TO FIT.65 in. PLOW BOLTS 5 in in..375 in in. in. 5 DEG..5 in. 36 in. EACH BLADE SECTION SHALL BE PUNCHED WITH THE DATE OF MANUFACTURE (FOR PURPOSE OF RECALL). REVISIONS N0. DATE BY //96 SWW 05/3/98 DLW 03/9/07 CJW COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF TRANSPORTATION CARBIDE, 5 in. GRADER BLADES SCALE MATERIAL DLW N / A DRAWN BY CHK'D WHM DATE 05 / 3 / in. Radius MINIMUM DRW NO. SHEET EQN- OF

29 .50 in..5 in..875 in. DIA. TYPICAL PLACES.679 in. A A U DATE-4-A in. DIAMETER 6 in..5 in. SECTION A-A.5 in. BOLT HOLE DETAIL B B VIEW B-B in..87 in. MATERIAL SHALL BE: KENNAMETAL CASTING OR PLATTALOY MATERIAL-ANY ALTERNATIVE MATERIALS REQUIRE PRIOR TO BID APPROVAL. REVISIONS N0. DATE BY /03/94 SM 0//96 0/08/98 SWW DLW 05/6/0 DWG COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF TRANSPORTATION ROUND SNOW SHOE DRAWN BY CHK'D DLW WHM SCALE DATE N/A 0 / 08 / 98 MATERIAL EQN-3 DRW NO. SHEET OF

30 6 in..0 in. in. SPACERS (QTY: ) NOTE: SPACERS ARE.50 in. THICK 3.00 in in..5 in in..50 in..875 in. DIA. HOLES.50 in. in. R..065 in. DIA. DRILL IN LINE.75 in..75 in..50 in..75 in..50 in. 3.5 in..50 in in..50 in. REVISIONS N0. DATE BY /03/94 SM 0//96 0/08/98 SWW DLW 05/6/0 DWG COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF TRANSPORTATION ROUND SNOW SHOE DRAWN BY CHK'D DLW WHM SCALE DATE N / A 0/08/98 MATERIAL DRW NO. SHEET STEEL EQN-3 OF

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33 0 in. TWELVE.6875 in. SQUARE HOLES COUNTERSUNK TO FIT.65 in. DIAMETER PLOW BOLTS in. 5 in. 6 in..65 in. in. EACH APART CENTER TO CENTER NOTES:. ALL DIMENSIONS IN INCHES.. MATERIAL: CARBON STEEL AISI BRINELL HARDNESS 50-35* EACH BLADE SECTION SHALL BE PUNCHED WITH THE DATE OF MANUFACTURE AND THE MANUFACTURER'S NAME. * STEEL SPECIFICATION REVISIONS N0. DATE BY SWW DLW DWG CJW 03/30/07 CJW COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF TRANSPORTATION STEEL CUTTING EDGES FOR SNOW PLOWS SCALE MATERIAL DLW N / A DATE DRW NO. WHM 0 / 06 / 96 EQN-6A SHEET OF 3 DRAWN BY CHK'D

34 5.75 in. 04 in. 8 in. 8 in. 8 in. 8 in. 8 in. 8 in..5 in. 8 in..65 in. 6 in..5 in. 4.5 in. 8 in. 8 in. 8 in. 8 in. 8 in. 3.5 in. in. NO. 575 THIRTEEN.6875 in. HOLES, COUNTERSUNK TO FIT.65 in. Dia. PLOW BOLTS NOTES:. ALL DIMENSIONS IN INCHES.. MATERIAL: CARBON STEEL AISI BRINELL HARDNESS 50-35* EACH BLADE SECTION SHALL BE PUNCHED WITH THE DATE OF MANUFACTURE AND THE MANUFACTURER'S NAME. * STEEL SPECIFICATION REVISIONS N0. DATE BY SWW DLW DWG CJW 03/30/07 CJW COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF TRANSPORTATION STEEL CUTTING EDGES FOR SNOW PLOWS SCALE MATERIAL DLW N / A DATE DRW NO. WHM 05 / 3 / 98 EQN-6A SHEET OF 3 DRAWN BY CHK'D

35 53.75 in in..5 in..065 in..50 in..50 in..50 in..50 in..65 in. 8 in. 6 in. 4 in..50 in..50 in..50 in in..75 in. R.H. & L.H. READ TEN.6875 in. SQUARE HOLES, COUNTERSUNK TO FIT.65 in.. Diameter PLOW BOLTS NOTES:. ALL DIMENSIONS IN INCHES. MATERIAL: CARBON STEEL AISI BRINELL HARDNESS 50-35* EACH BLADE SECTION SHALL BE PUNCHED WITH THE DATE OF MANUFACTURE AND THE MANUFACTURER'S NAME. *STEEL SPECIFICATION REVISIONS N0. DATE BY SWW DLW DWG CJW 03/30/07 CJW COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF TRANSPORTATION STEEL CUTTING EDGES FOR SNOW PLOWS SCALE MATERIAL DLW N / A DATE DRW NO. WHM 05 / 3 / 98 EQN-6A SHEET 3 OF 3 DRAWN BY CHK'D

36 .50 in in in. in. in. in. in. in. 6 in. in. in. in. in. in in. / 34.8 cm. SQUARE HOLES COUNTERED TO FIT.65 in. Dia. PLOW BOLTS. NOTES:. ALL DIMENSIONS IN INCHES. MATERIAL: CARBON STEEL BRINELL HARDNESS 50-35* in. OR.50 in. THICK STEEL AS SPECIFIED. * STEEL SPECIFICATION REVISIONS N0. DATE BY EACH BLADE SECTION SHALL BE PUNCHED WITH THE DATE OF MANUFACTURER AND THE MANUFACTURER'S NAME 03/30/07 CJW COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF TRANSPORTATION CUTTING EDGE FOR SNOWPLOW DRAWN BY CHK'D DLW WHM SCALE DATE N / A 05 / 4 / 98 MATERIAL DRW NO. EQN-6C SHEET OF

37 .75 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 4.5 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. / 36 in. 48 in. 36 in. TWENTY FIVE.6875 in. SQUARE HOLES, COUNTERSUNK TO FIT.65 in. DIAMETER PLOW BOLTS (TYPICAL) 0 in. NOTES:. ALL DIMENSIONS IN INCHES. MATERIAL: CARBON STEEL AISI BRINELL HARDNESS 50-35* 3. TO BE COMPATIBLE WITH PA SNOW PLOWS. 4. ORDER TO BE COMPLETED ONLY AFTER ACCEPTANCE OF PILOT MODEL. 5. THICKNESS.65 in. * STEEL SPECIFICATION BLADE SECTION SHALL BE PUNCHED WITH THE DATE OF MANUFACTURE AND NAME OF THE MANUFACTURER. REVISIONS N0. DATE BY /30/07 CJW COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF TRANSPORTATION STEEL COVER BLADES FOR CARBIDE CUTTING EDGES DLW SCALE N / A MATERIAL WHM DATE 0/09/96 DRW NO. DRAWN BY CHK'D EQN-6D SHEET OF

38 COMMODITY CODE in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in.. 6 in. 6 in. 4.5 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 48 in. 36 in. TWENTY SEVEN.6875 in. SQUARE HOLES, COUNTERSUNK TO FIT.65 in. Dia. PLOW BOLTS (TYPICAL) 48 in. 3 in. NOTES:. ALL DIMENSIONS IN INCHES. MATERIAL: CARBON STEEL AISI BRINELL HARDNESS 50-35* 3. TO BE COMPATIBLE WITH PA SNOW PLOWS. 4. ORDER TO BE COMPLETED ONLY AFTER ACCEPTANCE OF PILOT MODEL. 5. THICKNESS.65 in. * STEEL SPECIFICATION BLADE SECTION SHALL BE PUNCHED WITH THE DATE OF MANUFACTURE AND NAME OF THE MANUFACTURER. REVISIONS N0. DATE BY /30/07 CJW COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF TRANSPORTATION STEEL COVER BLADES FOR CARBIDE CUTTING EDGES DLW SCALE N / A MATERIAL WHM DATE 0/09/96 DRW NO. DRAWN BY CHK'D EQN-6D SHEET OF

39 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 4 in. 6 in. 6 in. 6 in. 6 in.. 6 in. 6 in. 6 in. 6 in. 36 in. 48 in. 36 in. CENTERLINE.6875 in. SQUARE COUNTERSUNK HOLES TO FIT.65 in. DIAMETER PLOW BOLTS (TYPICAL) 0 in. NOTES:. ALL DIMENSIONS IN INCHES. MATERIAL: CARBON STEEL AISI BRINELL HARDNESS 50-35* EACH BLADE SECTION SHALL BE PUNCHED WITH THE DATE OF MANUFACTURER AND THE MANUFACTURER'S NAME. * STEEL SPECIFICATION REVISIONS N0. DATE BY /30/07 CJW COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF TRANSPORTATION STEEL COVER BLADES FOR CARBIDE CUTTING EDGES SCALE MATERIAL DLW N / A DATE DRW NO. WHM 05 / 6 / 98 EQN-6E SHEET OF 3 DRAWN BY CHK'D

40 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 4 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. / 48 in. 36 in. CENTERLINE.6875 in. SQUARE COUNTERSUNK HOLES TO FIT.65 in. Dia. PLOW BOLTS (TYPICAL) 48 in. 3 in. NOTES:. ALL DIMENSIONS IN INCHES. MATERIAL: CARBON STEEL AISI BRINELL HARDNESS 50-35* EACH BLADE SHALL BE PUNCHED WITH THE DATE OF MANUFACTURER AND THE MANUFACTURER'S NAME. * STEEL SPECIFICATION REVISIONS N0. DATE BY /30/07 CJW COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF TRANSPORTATION DRAWN BY CHK'D STEEL COVER BLADES FOR CARBIDE CUTTING EDGES DLW SCALE N / A MATERIAL WHM DATE 05 / 6 / 98 DRW NO. EQN-6E SHEET OF 3

41 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in.. 6 in. 4 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 48 in. CENTERLINE.6875 in. SQUARE COUNTERSUNK HOLES TO FIT.65 in. Dia. PLOW BOLTS (TYPICAL) 48 in. 44 in. 48 in. NOTES:. ALL DIMENSIONS IN INCHES. MATERIAL: CARBON STEEL AISI BRINELL HARDNESS 50-35* EACH BLADE SHALL BE PUNCHED WITH THE DATE OF MANUFACTURER AND THE MANUFACTURER'S NAME. * STEEL SPECIFICATION REVISIONS N0. DATE BY /30/07 CJW COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF TRANSPORTATION STEEL COVER BLADES FOR CARBIDE CUTTING EDGES DLW SCALE N / A MATERIAL WHM DATE 05 / 6 / 98 DRW NO. DRAWN BY CHK'D EQN-6E SHEET 3 OF 3

42 NOTE:.65 in. CUTTING EDGE WIDTH 4 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 4 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. 6 in. CENTERLINE.6875 in. SQUARE COUNTERSUNK HOLES TO FIT.65 in. ia. PLOW BOLTS (TYPICAL) 44 in. NOTES:. ALL DIMENSIONS IN INCHES.. MATERIAL: CARBON STEEL AISI BRINELL HARDNESS 50-35* 3. TO BE COMPATIBLE WITH PennDOT SNOW PLOWS TYPE THICKNESS.65 in. 5. ORDER TO BE COMPLETED ONLY AFTER ACCEPTANCE OF PILOT MODEL. * STEEL SPECIFICATION REVISIONS N0. DATE BY EACH BLADE SECTION SHALL BE PUNCHED WITH THE DATE OF MANUFACTURE AND MANUFACTURER'S NAME. 03/30/07 CJW COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF TRANSPORTATION STEEL COVER BLADES FOR CARBIDE CUTTING EDGES DLW SCALE N / A MATERIAL WHM DATE 05 / 6 / 98 DRW NO. DRAWN BY CHK'D EQN-6F SHEET OF

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44

45 -/4" -/4" NOTE:. ALL DIMENSIONS IN INCHES/cm.. MATERIAL: AISI 090 GAME STEEL. 3. COMMODITY CODE TO BE COMPATIBLE WITH Pa DOT SNOW PLOW TYPE ORDER TO BE COMPLETED ONLY AFTER ACCEPTABLE OF PILOT MODEL. /" /".00 7-/" " " " -5/6" 3-/".500 -/4" " 5/6" " 5/6".85 5" REVISIONS N0. DATE BY /08/97 SGT 03//96 07/7/98 05/4/0 SWW DJA DWG COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF TRANSPORTATION STEEL MOLDBOARD SHOE FOR SNOW PLOW TYPE 73 DRAWN BY CHK'D DJA WHM SCALE DATE N / A 07/7/98 MATERIAL DRW NO. EQN-47E SHEET OF

46 -9/0" 5" " 7-3/4" " HOLD 3-/4" 7/64" DRILL -/" 3" -8/5" DRILL & LINE REAM 3/8" x 45 WELD CHAMFER -/4" /" ASSEMBLY HEAT TREAT RC MARK REQD. MTL.A36 STEEL /" R. " /" 45 8-/4" 9-3/4" " Dia MARK -REQD MTL. C-045 STEEL REVISIONS N0. DATE BY //83 03/06/96 07/3/98 05/3/0 VA SWW DJA DWG COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF TRANSPORTATION DRAWN BY CHK'D SNOW PLOW, CLEVIS PIN SWW WHM SCALE DATE N / A 03/06/96 MATERIAL DRW NO. EQN-4 SHEET OF

47

48

49 3 4-5/8" -/6" Sq. PUNCH " 5/8" 3/4" 3" R. /6" MARK 3-3/8" THICK " 6" 3-5/6" -/6" 3" -7/6" 6-/" -/" 7-3/4" 4" NOTES:. ALL DIMENSIONS IN INCHES.. MATERIAL: C-090 STEEL. 3. STRESS RELIEVE AFTER WELDING. REVISIONS N0. DATE BY /4" 08/30/76 VAA 0/6/8 03/05/96 05/4/0 06/7/05 -/4" 6-/" -7/8" 9-5/8" MARK 4-3/8" THICK NOSEPIECE - 7 PLOW COMMODITY CODE VAA SWW DWG KNH COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF TRANSPORTATION DRAWN BY CHK'D 3-7/6" SCALE DATE N/A /6/8 7/6" NOSEPIECE FOR 7 SNOWPLOW MATERIAL DRW NO. EQN - 48 SHEET OF

50 5" -9/0" " " HOLD 3-/4" 7-3/4" 7/64" DRILL -/" 3" -8/5" DRILL & LINE REAM -/4" /" /" R. CLEVIS PIN SHALL BE MOLDED OF 304 STAINLESS STEEL REVISIONS N0. DATE BY /0/00 GAH 05/3/0 DWG COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF TRANSPORTATION DRAWN BY CHK'D SNOW PLOW, CLEVIS PIN LHA RAR SCALE DATE N / A 0/9/00 MATERIAL DRW NO. EQN-4A SHEET OF

51 3/4" INCLINED AT /4" THICK,AISI 00 -/8" 3" 7/8" R /8" -5/8" " -/8" Dia., 3/4" / Sq. TYP. -3/8" 3/4" Sq. TYP. -3/8" 7-3/4" /" R. -/" R. -/" 3-5/8" ". THICK, AISI 090 NOTES:. ALL DIMENSIONS IN INCHES. MATERIAL: CARBON STEEL AISI 090 AND AISI 00 AS SHOWN. 3. TO BE COMPATIBLE WITH PaDOT SNOW PLOWS. 4. ORDER TO BE COMPLETED ONLY AFTER ACCEPTANCE OF PILOT MODEL. 5. TO BE SUPPLIED WELDED IN ONE PIECE. 6. WELDING AS PER A.W.S. REVISIONS N0. DATE BY /4/96 SWW CJW COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF TRANSPORTATION DRAWN BY CHK'D NOSE PIECE FOR TYPE 7 & 7 SNOW PLOWS DJA WHM SCALE DATE N/A MATERIAL DRW NO EQN - 48G SHEET OF

52 NOTES:. ALL DIMENSIONS IN INCHES/cm.. MATERIAL: C-090 STEEL 3. STRESS RELIEVE AFTER WELDING. -3/4" -/6" Sq. PUNCH 5-3/4" 3" -/" -/8" /" " MARK /" THICK /" 3-3/6" R. 8-3/4" 3/8" -/6" Sq. PUNCH 5-3/6" " 4" 3/4" R. 3" 3" -5/8" -7/8" 3" / 7.6cm. -5/8" MARK - 3/4" THICK -/4" 0-3/6" /6" R. NOSEPIECE FOR 7 OR 73 SNOWPLOW COMMODITY CODE OR COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF TRANSPORTATION REVISIONS N0. DATE BY NOSEPIECE FOR 7 OR 73 SNOWPLOW 08/30/76 VAA VAA 0/6/8 MATERIAL N/A SCALE DJA WHM DRAWN BY SWW 03/05/ /8/98 EQN - 48 DRW NO. DATE CHK'D DWG 05/4/0 4 SHEET OF 5

53 WELD 56 DEG. MATERIAL :.0 in. TO.50 in. CARBON STEEL REVISIONS N0. DATE BY CJW COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF TRANSPORTATION DRAWN BY CHK'D DLW WHM NOSE PIECE SCALE DATE N / A 05 / / 98 MATERIAL DRW NO. EQN-48E SHEET OF

54 .75 in..875 in. Radius.5 in. in.. in. Dia. HOLE in.. Radius HOLE.85 in. Radius in in..75 in in in. 9 in in. SQUARE HOLE 0.85 in in. 4 in in..50 in. 8 in. REVISIONS N0. DATE BY CJW COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF TRANSPORTATION DRAWN BY CHK'D DLW WHM NOSE PIECE SCALE DATE N / A 05 / / 98 MATERIAL DRW NO. EQN-48E SHEET OF

55 3/4" INCLINED AT 65 0 /8" Dia., 3/4" /Sq. TYP. 3/4"R VERTICAL -3/8" -3/4" " -/4" -/4" 3/4". " -3/8" DIA 3/4" " -/" R. -5/8" 3-/". 3/4" THICK, AISI /4" NOTES:. ALL DIMENSIONS IN INCHES. MATERIAL: CARBON STEEL AISI 090 AND AISI 00 AS SHOWN. 3. TO BE COMPATIBLE WITH PaDOT SNOW PLOWS. 4. ORDER TO BE COMPLETED ONLY AFTER ACCEPTANCE OF PILOT MODEL. 5. TO BE SUPPLIED WELDED IN ONE PIECE. 6 WELDING AS PER A.W.S. " " R. -5/8" " THICK, AISI 090 REVISIONS N0. DATE BY /4/96 SWW CJW COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF TRANSPORTATION DRAWN BY CHK'D NOSE PIECE FOR TYPE 7B & 73 SNOW PLOWS DJA WHM SCALE DATE N/A MATERIAL DRW NO EQN - 48H SHEET OF

56 NOTES: /4". MATERIAL: CARBON STEEL AISI TO BE COMPATIABLE WITH PaDOT SNOW PLOWS. 3. ORDER TO BE COMPLETED ONLY AFTER ACCEPTANCE OF PILOT MODEL. 4. MARK AND MARK PLATES TO BE SHIPPED AS SEPERATE ITEMS - NO WELDING. 5. VALID FOR DISTRICT -0 ONLY MARK -7/8" THICK 8-3/4" 3-3/6" R. MARK -3/4" /.9cm. THICK 3/4" R. 5-3/6" COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF TRANSPORTATION REVISIONS N0. DATE BY MATERIAL N/A SCALE DJA WHM DRAWN BY EQN - 48I DRW NO. DATE CHK'D 4 SHEET OF 5 6" 3" -5/8" -/4" 3-/6 R. 0-3/6" -7/8" NOSEPIECE FOR 7 & 73 SNOWPLOWS 3/4/96 SWW 05/4/0 DWG

57 -/" 3"/ 6" 3" 3" 3/4" (MIN.) /6" SQUARE HOLES BEND LINE 4-/" 3-/" 6" SEE DETAIL A & B A 3/8" C B 5/8" REVISIONS N0. DATE BY //9 WHM //96 SWW CJW COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF TRANSPORTATION DRAWN BY CHK'D CURB BUMPERS - LEFT AND RIGHT FOR SNOW PLOW TYYPE 73 DJA WHM SCALE DATE N/A MATERIAL DRW NO EQN - 49 SHEET OF

58 TOP VIEW - LEFT SIDE -3/4" R. 4-3/4" DRAWING ON PAGE OF EQN AND ABOVE REPRESENT THE LEFT SIDE. FOR RIGHT SIDE REVERSE ALL DIMENSIONS. R - BEND LEFT - BEND NOTES: A. DESIGN SHALL INCORPORATE A /4" x -/" CARBON STEEL FLAT STOCK RUNNING THE FULL LENGTH OF THE FRONT OF THE CUTTING EDGE. IT SHALL BE WELDED TO TOP FRONT SURFACE OF GUARD WITH /4" CONTINUOUS FILLET WELD AND COM- PLETELY FUSED TO WELD OVERLAY. CHROME CARBIDE WELD DEPOSIT ENTIRE WIDTH AND A MINIMUM OF 5/8" THICK. B. ALTERNATIVE DESIGN, TUNGSTEN CARBIDE INSERTS, CENTERED IN THE BLADE EDGE. C. REGARDLESS IF CHROME CARBIDE WELD OR TUNGSTEN CARBIDE IS USED, IT SHALL HAVE A MINIMUM ROCKWELL "A" HARDNESS OF. TUNGSTEN BRAZING MATERIAL SHEAR STRENGTH SHALL BE 30,000 p.s.i. / 06844KPa MIN. NOTES:. ALL DIMENSIONS IN INCHES / cm.. MATERIAL AISI 060 GRADE STEEL, MINIMUM. 3. TO BE COMPATIABLE WITH PaDOT SNOW PLOWS TYPE 7 SERIES AND ORDER TO BE COMPLETED ONLY AFTER ACCEPTANCE OF PILOT MODEL. 5. ANY FURTHER ALTERNATIVE DESIGNS NEED WRITTEN APPROVAL BY CHIEF EQUIPMENT DIVISON. REVISIONS N0. DATE BY //9 WHM /3/96 SWW CJW COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF TRANSPORTATION DRAWN BY CHK'D CURB BUMPERS - LEFT AND RIGHT FOR SNOW PLOW TYPE 73. DJA WHM SCALE DATE N/A MATERIAL DRW NO EQN - 49 SHEET OF

59 6 -/ -/ 3 3 -/ 7/8 dia. typ. R. -/6 dia. drill in line 3/4 -/ 3/4 / 3 -/ 3/4 3-/6-7/8 3-/6 9 -/ 3/8 NOTES:. ALL dimensions in inches.. Material - steel ASTM A ALL welded construction. 4. Refer drawing NO. EQN 6 MK6. 5. Part NO. PA 699A. REVISIONS N0. DATE BY CJW COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF TRANSPORTATION DRAWN BY CHK'D SNOW PLOW SHOE BRACKET DLW WHM SCALE DATE N / A 07 / 3 / 98 MATERIAL DRW NO. SHEET EQN-6B OF

60 typ. 6 developed length slot slot slot Body Materials c-00 steel carbide insert specifications width.500 +/-.005 inches height.375 +/-.00 inches *Length inch Nominal Cobalt.5 to 3% to 4.4 hardness Rockwell 'A' 87 to 88.5 Transverse rupture 350,000 P.S.I Min..375 Certification required with bid.065 R. typical Weld 3 sides as indicated..5 *Note: Special insert needed to obtain overall carbide. Length shall have a minimum.75 inch length and a maximum.5 length. -All dimensions in inches square punch /-.5 insert length Note: end inserts tapered to fit shoe -Braze carbide inserts flush Dia. +/-.005 REVISIONS N0. DATE BY //93 SM CJW COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF TRANSPORTATION DRAWN BY CHK'D Valk V-40-0W Snowplow Carbide Wear Shoe Sole DJA WHM SCALE DATE N / A 08 / 4 / 98 MATERIAL DRW NO. EQN-058 SHEET OF

61 / 6 / Tk. Gussets / /4 /6 x Slots 3/8 4 /4 / / 5/8 Weld Both Sides 9 Angled Insert On End 7 3 / Slot Depth Carbide Inserts Bottom View. Hidden Items Not Shown Mill Slots & Braze Inserts Flush Slot Width 6 3/4 Carbide Length Insert Carbide Specifications Width.500 +/-.005 Height.375 +/-.00 Lenght In. Nominal* Cobalt.5 to 3% Sp. Gravity 4. to 4.4 Rockwell "A" Hardness 87 to 80.5 Transverse Rupture Strength 350,000 PSI Min. Certification Required With Bid Main Body Material C-00 Steel *NOTE: Special insert needed to obtain proper overall carbide length. Shall have minimum 3/4 inch length and a maximum -3/4 inch length. -All dimensions in inches. REVISIONS N0. DATE BY /7/93 6//94 SM GL 09/6/98 DJA COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF TRANSPORTATION DRAWN BY CHK'D CARBIDE MOLD BOARD SHOE DJA WHM SCALE DATE N / A 09 / 6 / 98 MATERIAL DRW NO. EQN-059 SHEET OF

62 7 in. 84 in. / 7.6 cm. / 7.6 cm. / 7.6 cm..688 in. X.78 in. PUNCH.56 in.. X 8 DEG.CSK. COUNTERSUNK OPTIONAL 3 HOLES FOR 6 ft. BLADE 5 HOLES FOR 7 ft. BLADE / 7.6 cm. A B 7 in. BLADE: A 60 in. 9 HOLES EQUALLY SPACED ON 6 in. CENTERS 84 in. BLADE: B 7 in. 7 HOLES EQUALLY SPACED ON 6 in. CENTERS REVISIONS N0. DATE BY CJW COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF TRANSPORTATION 6 ft. / 8.88 cm. + 7 ft. / 3.36 cm. X 8 in. / 0.3 cm. GRADER BLADES FOR JOHN DEER GRADERS MODELS DRAWN BY CHK'D DLW WHM SCALE DATE N / A 05 / 8 / 98 MATERIAL DRW NO. EQN-078 SHEET OF 3

63 4 in. 8 DEG..5 in in. RADIUS +/-.5 in. CENTER LINE 8 in..75 in. 4 in..0 in..35 in. REVISIONS N0. DATE BY COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF TRANSPORTATION DRAWN BY CHK'D 6 ft. + 7 ft. X 8 in. GRADER BLADES FOR JOHN DEER GRADERS BLADES MODELS DLW WHM SCALE DATE N / A 05 / 8 / 98 MATERIAL DRW NO. EQN-078 OF 3 SHEET