REVISED SECTION 3 TENDER SUBMISSION PACKAGE

Transcription

1 Michael acholok, irector urchasing and Materials Management ivision ity all, 8 th Floor, West ower 00 Queen treet West oronto, ntario M5 llison hillips Manager rofessional ervices May, 06 V F (0 pages + attachments) UM. QU F W--0W F: BG BY M U MV UG G: :00 ( M), JU 5, 06 (V). lease refer to the above equest for ender (F) document in your possession and be advised of the following:. V F G he closing date has been revised from June 8, 06 to June 5, 06 :00 oon ocal oronto ime. V UBM KG. elete ages -, - and - and replace with revised pages -, - and - attached with this addendum.. V 4 F WK. pecification ection emolition dd new lause..5 stating the following:..5 hemical tanks cleaning ity will drain existing nine (9) chemical tanks leaving 00 mm of chemical at the bottom. ontractor is responsible for cleaning and washing down the tanks before final disposal. Ferrous chloride solution can be discharged into aeration tanks inlet channel not more than the remains of one tank a day.. pecification ection ewatering elete lause..4 and replace with the following:..4. ontractor to monitor dewatering discharge water quality a minimum of once monthly as detailed in ydrogeology report, lause for compliance with ity of oronto sewer by-law for all parameters listed in the ydrogeology tudy eport, ppendix, able 0 (refer to ttachment G included on the ).. pecification ection rack and urnout onstruction dd new lause.6 ail pill ontainment, as follows:.6.. rovide ail spill containment under each of three parked rail cars at locations shown on contract drawings,

2 .6.. ail track spill containment shall be constructed using polyethylene or FG pans, min 4. m long consisting of a center track pan and two side track pans complete with covers and bulkhead fitting connected to manifold collector system to be connected to below grade piping. he pans shall be designed to intercept spills, while allowing for rainfall to bypass the pan and infiltrate into the ballast below the rails..6.. cceptable manufacturers For pans: ail pill containment shall be Ultra-rack ans as manufactured by Ultraech nternational nc. or approved equal. For FG pans: ail pill containment shall be rack tar as manufactured by olystar and supplied by orthern latforms or approved equal. dd new lause.4 as follows:.4 rack & turnout construction to be performed by a qualified rail contractor with a minimum of 5 years of experience in completing similar work. Qualifications to be submitted with shop drawings. General ontractor to coordinate inspection of all completed works by ailworks, who will be paid via the provisional allowance item, before bringing rail line back into service. 4. pecification ection 000 ast-in-lace oncrete lause..5, oncrete Mix esign able, Mix umber, Min. pecified trength, 8 days elete 5 Ma eplace with 0 Ma 5. pecification ection 60 ail Unloading tation lause.4 hemical Unloading system. dd new clause.4. as follows: Valves and fittings as listed in this ection and shown on ontract drawings shall confirm to ection 00 and ection 65 of the specifications. 6. pecification ection 650 hemical ystems elete lause...6. stating larm horn shall be issued if one of the dosing pumps fails. 7. pecification section 5085 Mechanical nsulation clause.7. stating that all exposed mineral fiber insulation will be jacketed with V only for items installed above m in height above finished floor elevation and the following: ll mineral fiber insulation and fittings insulation shall have a V jacket. 8. rawing (5) elete drawing 5 and replace with the revised rawing 5 enclosed with this addenda. 9. rawing (6) elete drawing 6 and replace with the revised rawing 6 enclosed with this addenda. 0. rawing (M5). dd ote as follows:. For W line allow for 5m of pipe and 5x90 degrees elbows to connect to the ity Water line in the existing gallery at approximate l.85.m

3 . rawing (5), etail. elete call out stating op soil and replace with the following call out: 65mm clean fill as a bottom layer and 5mm top soil as a top layer. rawing (5) unnel, ections and 4 elete 75mm rigid insulation and membrane. dd 75mm rigid insulation and membrane. efer to detail on.. rawing (6) unnel, ections 5, 6, 7, 8 and 9 elete 75mm rigid insulation and membrane. dd 75mm rigid insulation and membrane. efer to detail on. 4. rawing () elete drawing and replace with the revised rawing attached to this addenda. 5. rawing (4) amera #, identified as V, able and ote from the drawing. ross ection etail : the cable tagged as type (i.e. -4/ #0 WG, K rawing (5) elete text ' orthophosphate analyzers in the chemical building' from the call out and replace with the following text: ' orthophosphate analyzers in the hlorine building' 7. rawing (6) the text x0mm G Y V U and replace with x0mm G V U. he conduit size/type shall be chedule 40 for this conduit in accordance with rawing () ttach a 0, -pole circuit breaker to the bus of M-64 and include a feeder comprised of -/ #0 WG + # WG G, u, W90, 7 mm V U G to supply power to the welding receptacle. this cable type to the able chedule as type 8. abel the welding receptacle as B--W V WG UM M. 9. rawing () the feeder cable that is connected to a 0 circuit breaker found in M-645 and supplies power to B---66 F XG U G /W M #.

4 cable type (i.e. -4/ #8 WG, K 90). e-label the 0 breaker as. able chedule: delete the text for cable type 4B that says -/ # WG + # WG G, u, W90, 7mm V G U and replace with the text -/ # WG + # WG G, u, W90, 7mm V U G 0. rawing (5) etails, V VW F -645: the compartment identified as B U G (/W) M # is to be relabeled as 0.. rawing (9) etail 80.9 m: ttach the tag name -W-64 to the welding receptacle symbol.. lectrical rawings, he tag name for the following devices are to be changed as follows: G M B B W G M B B rawing (8) elete text ' M BUG' in the left upper corner of the drawing and replace with the following text: ' BUG' V. QU W Q. wg 5 notes MMU B GY running orth-outh, West of the new tunnel; wg 8 tage notes & MMU B U GY. lease refer to drawing revised with this addenda for details on removal, relocation and new electrical and communication cables. Q. wg 8 tage notes X. MMU B. ote X. MMU B refers to MMU B temporarily relocated during the tage. rawing 8 presents recommended staging of the construction, Vendor to suggest sequence of work and staging that meets the minimum requirements in ivision and submit to ngineer for approval. 4

5 Q. he specification does not define any asbestos removal to be included in the base bid price. s all asbestos abatement, if encountered, intended to be paid on a unit rate basis using the rates provided on the chedule of rices?. o asbestos has been identified in the chemical gallery to be demolished by the az Mat survey conducted. f asbestos is encountered, abatement will be paid via the unit rates in the chedule of rices. efer to azmat specific survey included on the as an ttachment B to ection 4 of ontract ocuments for the specific procedures. Q4. Ferric hloride drawing sheet and the ontractor will be responsible for removing several chemical tanks, pumps, and supply lines. t is noted that most of this equipment was used to store and move Ferric hloride. n ealth and afety ection 05 art.5. ite onditions it references possible contact with Ferrous hloride during work at the site. n ealth and afety ection 05 art.5. ite onditions it references possible contact with Ferrous hloride during work at the site. n the emolition pec ection 0050, there is no reference as to whether the chemical tanks, pumps, and supply lines will be already cleaned/prepped for removal by the wner. Will the contractor be responsible for cleaning out equipment that held chemicals prior to demolition? r will the equipment have been cleaned and flushed by the wner? f the contractor is responsible for cleaning, what reasonable amount of the chemicals will be left behind? 4. Vendor is responsible for cleaning out equipment that held chemicals prior to demolition. ity will drain existing chemical tanks leaving 00 mm of chemical at the bottom. Vendor is responsible for cleaning and washing down the tank. efer to changes with this addenda. Q5. rawing 4, etail B has a /4 #0 WG eck 90 conductor feeding amera #, while the single-line drawing for this camera on drawing, fed from B panel calls for the feeder to be /4 #8 WG eck 90, as per able chedule detail. Which is required? 5. he requirement to install a 600V feeder to amera # that is located at the outh oadway ecurity Gate, is removed from scope of work. ee revised drawing included with this addenda. Q6. rawing 9 shows a 600V, hase welding receptacle fed directly from -- 64, however the single line drawing does not show this. s this in fact to be fed from --64? f so, what size feed is required, as we cannot use our judgement without an amperage rating of this receptacle. 6. he welding receptacle is to be fed from , -pole circuit breaker shall be installed in -64. ee revision with this addenda Q7. lease verify whether the duct bank runs as shown on drawings 4, 5 and 6 are to have igid V chedule 40 onduit, or igid ype onduit. here are inconsistencies in the details. 7. he conduit type shown on drawings 4 and 5 is correct. onduit to be x0mm G V U. ee revision with this addenda. 5

6 Q8. ingle line drawing 0 has three major cable runs from the east and west control buildings to the new hosphorus emoval Facility. he cable schedule on this drawing shows these runs to be single conductor teck. his means that tem will have 6 separate single conductor cables, tem will have 9 separate single conductor cables and tem will consist of separate single conductor cables. lease confirm that this is correct. 8. Yes, this is correct. Q ump kids. xcept for the F back panel, could the skid frame be in tainless 04? 9. o, the chemical pump skid to be F in its entirety. ardware shall be F or 6 Q /. he pump control s shown on G skids drawing are not in the electrical drawings. lease confirm if they are required or not? 0. ot required. he pumps are controlled by the VF key-pads. Q. pecifications section 64,.9 nvironment ratings : VF For the secondary dosing pumps skid. ur understanding of the specification is that the VFs need to be ema 4X and mounted locally, on the skid and pre wired to the pumps motors. s that correct? o local disconnect included on the VFs/ skids, they will remain on the control panel only.. he VFs must have an enclosure rating of M 4X. he VFs shall be mounted on the skid control panel externally and pre-wired to the control panel. local disconnect switch is not required at the VF or at the pump. he disconnect switches for the VFs shall be mounted in the control panel and the disconnect switches operating handles shall be mounted on the door of the control panel. ee electrical drawings for additional details. Q. rawing to 40 and & to 4. he electrical drawings to 40 and the & to 4 do not seem to match. he drawings are showing only the perating handle, discharge pressure high, discharge pressure low and alarm reset vs the drawing to 4 include time meter, VF keypad and lights for pump fault, start, stop and run. lease confirm what is required in front of the control panel exactly as the dimensions of the enclosure will be impacted.. he VF s keypad provides indications for ump Fault, unning tatus, lapsed ime and peed. he VF s keypad provides operator input for ocal/emote ontrol Modes of peration, ocal Manual tart ommand, and ocal Manual top ommand, as well as eset for any alarms generated in the VF. he door of the control panel shall include the operating handles for the disconnect switches, pilot lights for ischarge ressure G and ischarge ressure W and a pushbutton for the larm eset of these two specific alarms as shown on the panel face layout details and in the corresponding control schematics. ee electrical drawings for additional details. Q. lease confirm that all the control and electrical wiring between the skids and the control panels will be done on site by contractor. he General ontractor shall receive the control panels, install them and provide the wires and conduits to interconnect the control panels with the equipment on the skids. 6

7 Q4. pecification ection larm horn. lease confirm if an alarm horn is required on the control panel of the transfer system B is required or not as not shown on & 5 or drawings larm horn is not required for the ransfer pump skid. ee revision with this addenda. Q5. o the skids need to be registered? 5. registration of chemical pump skids is not required. Q6. & ctuated valve V-05 and control panel associated to be included or not in VW package? 6. ctuated valve V-05 is not included in the chemical pump package and shall be supplied by general contractor as specified in the Valve chedule. Q7. lease confirm if the sound absorber curtain as supplied by noise ontrol (see attachment) is acceptable or not for the transfer pumps skid. 7. his is acceptable provided it complies with the sound attenuation specifications and is provided for each individual pump (i.e., staff need to be able to work on one pump while other parallel pumps are operating). Q8. ould we push the tender close date back weeks? 8. ender closing date has been extended by one week with this addenda. Q9. lease clarify if seeding or sodding will be used for swale/ditch behind chemical Building. lso please provide the thickness of topsoil required as topsoil thickness per erimeter Backfill etail on drawing 5 is indicated as 00 mm. owever, specification 9 asks for 5 for sodded area and 50 mm for seeding. lease clarify. 9. odding shall be used for all new and restored areas. ee note on rawing 5 etail revised with this addenda. Q0. lease clarify if seeding or sodding will be used above J-tunnel. 0. odding shall be used. Q. lease clarify if seeding or sodding will be used for restoration work after construction in other areas. odding shall be used for all new and restored areas. Q. lease clarify if zemdrain liner will be required for this project.. Yes, Zemdrain formliner is required. Q. lease clarify if 5 Ma concrete will be required slabs, columns and beams as indicated in specification 000 or 0 Ma as shown on drawing.. 0Ma concrete is required for slabs, walls, columns and beams. ee revision with this addendum. Q4. We understand that sheet waterproofing membrane will be required to the roof and walls of J-tunnel per detail on drawing. lease confirm if waterproofing will be required for the precast -tunnel as well. 4. Yes, waterproofing is required at the precast -tunnel. efer to detail on. 7

8 Q5. ef ender ubmission ackage, chedule of rice, tem0 unit price for dditional 0x0 piles. ince piles are different in length, what is the assumption of length for addition piles? 6. ssume a length of 0m for additional piles required in the chedule of rices. Q6. We can t find anywhere in the drawing in reference to pec section 950 Gypsum Board. lease identify location of this work. 6. he gypsum board will be used in roof assembly. efer to roof legend on drawing (). Q7. pecification section 90 schedule. lists ferrous chloride as a pipe system that requires insulation. s the ferrous chloride pipe system pre-insulated as the materials listed within the schedule are typically used for a pre-insulated system? f the system is to be insulated and jacketed by insulators on site please provide an alternative type of insulation and jacket. 7. ll ferrous chloride pipe can be field insulated and jacketed. ee insulation specification revised by previous addendums. Q8. Mechanical pecification section states that all exposed mineral fibre insulation will be jacketed with V only for items installed above m in height above finished floor elevation. oes this imply that all piping below m will only receive the factory applied J jacket and no V jacketing? Furthermore,.. states that insulated fittings are to be covered with V fitting covers. f the fittings are below the m will they receive the V or do the fittings only above m receive V fitting covers? 8. ll mineral fibre insulation and fittings insulation shall have a V jacket. Q9. Mechanical rawing M6 here is a W to be connected to nearest supply location (to be determined on site). an a linear allowance be provided to put everyone on level terms or will this be done as an extra after the tender phase? 9. llow for 5m of pipe and 5x90 degrees elbows to connect to the ity Water line in the existing gallery at approximate l.85.m. ee revision with this addendum. Q0. Mechanical ddendum # Q& 4a states that a flexible V soil pipe sleeve or engineer approved equal will be used to jacket the buried portion of the tempered water line. deally, any buried pipe is insulated with foamglass insulation as it is not susceptible to compression and jacketed with pittwrap. rmaflex will compress under the weight and will lose its thermal insulation value. re we able to use 50 mm foamglass insulation with a pittwrap jacket as the approved equal? mm foamglass insulation with a pittwrap jacket is considered an equal. Q. ef ection 0705: s the track & turnout construction to be performed by an approved rail work subcontractor? f yes, please provide a list of approved contractors. lso, does it require obtaining a permit to perform this work?. rack & turnout construction to be performed by a qualified rail contractor with a min of 5 years of experience in completing similar work. ee revision with this addenda. 8

9 Q. ccording to o for this tender (dated ugust 5, 05), section.: oes it require performing inspections and final approvals from for rail work? Who will pay for this inspection & approval?. ail modification will require inspection and approval by. General contractor to coordinate rail inspection by ailworks before rail is brought back into service. ee revision with this addenda. Q. ef wg : ail track spill containment pan & truck spill catchment pad: s the detail 5/8 applies to these pads? What is the size of each rail track spill containment pad? lso, provide detail of these catch basins. re they similar to ?. ail track spill containment shall be constructed using polyethylene or FG pans. ee revision by this addenda. hould you have any questions regarding this addendum contact andida harles at ccharle@toronto.ca or lease attach this addendum to your F document and be governed accordingly. Bidders are to acknowledge receipt of all addenda in their ender in the space provided on the ender over age as per ection ender rocess erms and onditions, item 8 of the F document. ll other aspects of the F remain the same. llison hillips Manager rofessional ervices 9

10 ection ender ubmission ackage U F UM. V ender all o ontract o. 5-W--0W he Bidder also fills in the following chedule of rices to cover alterations, extras or deductions. he terms of this chedule apply notwithstanding anything to the contrary in the ontract ocuments. tem o escription U F V, X U ervices of ity-approved esignated ubstance onsultant for any new areas of construction not covered by project-specific survey llow for removal of asbestos containing materials additional to those identified in the specifications, using any or all by ity approved ontractor i) Glove Bag Method ii) ype rocedure iii) ype rocedure iv) ype rocedure dditional isposal off-site of contaminated materials not already including the base scope, in accordance with applicable ite ondition tandards Under art XV. of, (amended as of July, 0), including all testing, permit, release or other costs related to compliance with regulatory requirements:. ecommissioning soils ndustrial and Use. on-hazardous egistered Waste. azardous egistered Waste * ssume volume/weight conversion factor of.64 m/metric tonne ampling and testing of impacted excavated material prior to re-use at site or disposal offsite xcavate below subgrade elevation due to unsuitable foundation material, as directed by ontract dministrator in writing. Unit price to include dewatering and backfilling as follows:. unshrinkable fill ( U-fill ). granular. granular B 0 Ma concrete in place as specified including formwork and finishing but excluding reinforcing steel (i) 0 Ma (ii) 5 Mpa stimated rovisional Quantity Unit Unit rice otal rice ump um $ 0, /diem /diem /diem /diem m m m ump um m m m m m $ / d $ / d $ / d $ / d $ / m $ / m $ / m $ / m $ / m $ / m $ / m $ / m $ $ $ $ $ $ $ $5, $ $ $ $ $ 07 upply and placement of reinforcing steel 0 tonnes $ /tonne $ 08 ightweight concrete fill 5 m $ / m $ 09 dditional depth required for 0x0 piles. ssume a length of 0m for additional piles required 50 m $ / m $ 5.b- February 09, 05 age -

11 ection ender ubmission ackage U F UM V ender all o ontract o. 5-W--0W 0 dditional 0x0 piles 0 ea $ $ esting of piles ea $ $ Blasting of damproofing membranes on existing concrete Fiber reinforced plastic as specified, including design, supply and install. Grating andrail tructural framing 750 m $ / m $ mog lert esponse 5 leaning of any unknown substance related to demolition and construction 6 Final inspection of the rail works by 7 ontingency llowance m m kg ump um ump um ump $ / m $ / m $ / kg $5, $5, um $ 5, ump um $750, otal llowance for chedule of rices $ (arry forward to age -9) he contingency and cash allowances listed in this chedule are for potential Work which may be required beyond the scope of this ontract. he unit prices entered by the Bidder for the items listed in this chedule shall be used by the ity to determine payments for the Work where those Work items are ordered by the onsultant, and shall also be used by the ity to determine credits to the ity from the ontractor where quantities ultimately required for unit price items under the base scope of the ontract are less than the original ontract quantities. he unit prices in the schedule shall include supply, fabricating, installation, testing, and commissioning. he unit prices in the schedule shall not include nor overhead and profit. he unit prices inserted above for provisional quantities shall be used to determine payment for those items or credits even if actual quantities are found to vary considerably from them. n accordance with - art 4, the ontract rice includes the cash allowances and the ontract rice includes all overhead and profit for those allowances. rofit and overhead on cash allowance Work will be in addition to the figures in the chedule and will be calculated in accordance with the ontract ocuments. n accordance with - art 4, the ontract rice includes the contingency allowance listed in this chedule. he contingency allowance includes all overhead and profit in connection with Work undertaken under the contingency allowance. he Bidder agrees that no part of the cash allowances or contingency allowance shall be expended without written direction from the onsultant. ayments from the contingency allowance will be made only following issuance of a hange rder approved by the onsultant. ny unused portion of the contingency allowance and cash allowances, and 5.b- February 09, 05 age -

12 ection ender ubmission ackage U F ender all o ontract o. 5-W--0W any credits to the ity for unit price items shall be deducted from the ontract rice. n the event of obvious mathematical errors in the chedule of rices, the unit prices tendered shall be considered correct and arithmetic extensions and totals shall be corrected accordingly. ny such corrections resulting in adjustment to the total for the chedule of rices will be similarly applied as an adjustment to the otal ump um rice tendered for the project. Bidders that do not fully complete these forms (such as leaving lines blank), or have unclear answers (such as "n/a", "-", "tba" or "included" etc.) will be declared noncompliant. rices that are intended to be zero cost/no charge to the city are to be submitted in the space provided in the price schedule as "$0.00" or "zero". ayment for Work not listed in this chedule will be made in accordance with the ontract ocuments. axes armonized ales ax () is to be applied to the prices submitted as specified in the relevant sections of the call document or in the rice chedule provided in the call. for the supply and delivery of materials/goods are to be shown as additional separate line items on the rice chedule and any subsequent invoice. 5.b- February 09, 05 age -

13 X J - U U MMU B GY W 00mm W X. 00mm W X. Y 78.0 X. M. MMU B MV X. 00mm W B FG F W J U B FG X. 400mm WM X. 00mm W Y 78.0 X. Y B WY K mm W Y BU UG FM. F WG. 0 YB B, XG BK X. W 75mm M W WK BG QU 4.8m - 75mm 0.0% X. /G: 76.9 : : 75.6 : =75.58 X. 9 50mm FM XG 77.0 B U M BW M W V U = BV W = mm MB UK M M UM 6.4m- 75mm 0.0% 9m -50mm 0.0% 7m -50mm 0.0% 4m -50mm 0.0%.0m - 50mm 00mm W U 8 /G: : 75.7 : : W: /G=76.98 = m- 50mm 0.0% 9.9m - 75mm 0.0% X..8m - 50mm /G: : : : W: /G= /G= m - 50mm = m - 75mm M@ 0.0% 50mm FM XG BK X. W 75mm M. -WK BG QU. X. /G: 77.0 W: W 4 W mm Y WM XG 8.00m mm Y WM XG MB M BUG K M W U U FUU W U BG X U F MB mm BB GU UF : :. XG V, UG Y WM, FM WM (UG G MMG). M W, W B F U G.. U MY, UG XG.. MV XG WY V W. 4. MY G. 5. M XV F W M BUG. M M BUG UB-UU G, UG U U. 6. M XV F U, J Y F o.. 7. F WG, MM F MV, W MMU B.. M W 00mm G B F FMG 557., MMUM 65.. M W M 00mm B V 5 B8. F V B8.4. MMUM 0 ka FF. BG V B GU '' -MU-00, 80.0, 80.0, M MMUM 95%. V F UU.. M M B UU 70.00, Y '', M W FM V M B B UU , c/w FM G W M W G W V.0m V, V U,, B B U. F WG 5 F B B WG 6 F B. UU M V B U V V MM G U FM M G U FM M G U FM M V m V m..m 50 m 50 m 50 m - GU B UBB U F BKF V V V U 50mm YFM U BG U : V U W F V.0m Water WW M U FK QU,. G. MM,. G. BG BY M U MV UG Y G 05/0/06, WW M, U V 5/7/06 U F UM # B 5/6/06 U F UM # B :.W. FG:.. K: B o. 5-W--0W 0 4/6/05 U F B o. V : :50 : 06 WG UMB:

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