Carrying out Electrical works for Air Compressors and Air Dryer for new LCA MK II Hangar at ARDC HAL DC

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Experience of having successfully completed similar works during last 7 years ending on the previous day of submission of tender should be either of the following: [Work completion certificates along with LOA/PO/WO should be uploaded] (i) THREE similar completed works each costing not less than the amount equal to 40% of the estimated amount put to tender. (ii) TWO similar completed works each costing not less than the amount equal to 50% of the estimated amount put to tender. (iii) ONE similar completed work costing not less than the amount equal to 80% of the estimated amount put to tender.

Type of Work: [Incase of private works the same shall be supported with TDS certificate]

Type of Work: [Incase of private works the same shall be supported with TDS certificate]

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work done

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DECLARATION I

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DECLARATION II

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Subject tender has been called on item rate basis. Basic Rate to be quoted for each item.

Subject work is a Works contract and prevailing GST of 18% has been added in the BOQ on overall total. Any revision on this GST rate, is to HAL account.

Sucessful offer that is L-1 (Lowest offer) will be determined including GST.

The payment terms shall be governed as per the terms indicated in General conditions of contract.

The work has to be carried out in co-ordination with engineer-in-charge with minimum power interruption. The shutdown work has to be carreid out during Holidays/Sundays with proper co-ordination of Engineer-in-charge. In case any preparation works requried, same have to be carried out as directed by Engineer-in-charge without any additional cost during execution of work.

Amount towards GST will be paid along with RAR payment against invoice.

The tenderers are requested to abide by the rules of prevailing GST act.

This BOQ specification has to be read in conjunction with technical specifications and tender drawings. Any ambiguty in these have to be brought to the knowledge of contract section before submission of tender to avoid future claims/dispute.

Specification of item

Electrical works

Supply, installation, testing & commissioning of Main LT Panel (PTA) Indoor type floor mounting (1' above the ground by supporting MS angle) for New Air compressor at Mart-II Hangar ARDC

Incoming

1No- 630A, 415V gr. 36KA, 4P MCCB with TM based with O/L,S/C Release with RHOM+Spreaders+Aux 1 C/O+TAC 1 C/O

Lot-800A, 3Phase and 400A neutral 415V, short circuit rated 36KA for 1sec, TPN Aluminium bus bars with busbar insulators, heat shrinkable PVC sleeves etc.

1No- Multi function meter (MFM/MDM) suitable for 3ph, 4 wire, 240V(L-N), 5A, CL-1, RS 485 Port Digital MFM/MDM of EM6400NG of Schneider or any equivalent make meeting technical specification of above MFM complete in all respect.

Earth fault relay with suitable CTs

1Set-630/5A current transformers of suitable class and VA burden for metering.

1No- 32A 415V gr TP 36KA MPCB of for tapping power for metering and control circuit

1Set - RYB indicating lamps of LED module with 6A, 230V,10KA, SP MCB.

1Set- 6A, 230V, 10KA SP MCB for the protection of measuring instruments.

Outgoings:

3No - 350A, 415V gr. 36KA breaking capacity, TP+NL MCCB TM based with O/L, S/C Releases with RHOM

1No - 100A, 415V gr. 36KA breaking capacity, TP+NL MCCB TM based with O/L, S/C Releases with RHOM

3Nos - 63A, 415V gr. 25KA breaking capacity, TP+NL MCCB TM based with O/L, S/C Releases with RHOM

3Nos - 32A, 415V gr.10KA breaking capacity, TP+NL MCCB TM based with O/L, S/C Releases with RHOM

Supplying of following size and conductor XLPE insulated armoured power LT cable of 1.1 KV grade confirming to including stacking at site, proper storage complete etc. as required

3.5 CX120 Sqmm copper armoured conductor LT cable

4 CX10 Sqmm Aluminium armoured conductor LT cable

Laying & fixing of one number XLPE armoured UG cable of 1.1 KV grade of following size directly on ground including excavation sand cushioning protecting covering and refilling as required as per CPWD specification

Upto 120 Sqmm Cu Armoured LT cable on Cable tray / wall surface as required.

Upto 35 Sqmm Al Armoured LT cable on Cable tray / wall surface as required.

Supplying and making end termination of following copper armoured LT cable including all accessories as required

3.5C X 120sqmm Copper armoured LT cable

4C X 10sqmm Aluminium armoured LT cable

Supplying and installing following size of perforated Hot Dipped Galvanised Iron cable tray (Galvanisation thickness not less than 50 microns) with perforation not more than 17.5%, in convenient sections, joined with connectors, suspended from the ceiling with two numbers GI Suspenders i/c base of suitable size GI angle, GI bolts & nuts, fastner etc as required. As per CPWD specification.

Supplying and installing following size of perforated Hot Dipped Galvanised Iron cable tray "bends" (galvanisation not less than 50 microns) with perforation not more than 17.5%, in convenient sections, joined with connectors, suspended from the ceiling with two numbers GI Suspenders i/c base of suitable size GI angle, GI bolts & nuts, fastner etc as required. As per CPWD specification.

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work

Providing and applying synthetic enamel paint for wooden/steel surface in Two or more coats on new work over an under coat of suitable shade with ordinary paint of approved brand and manufacture,filling joints,patti etc ,complete as per CPWD specification and as directed by Engineer-in-charge.

Supply, fixing, testing & commissioning of the following factory built powder coated Double door MCB DB of any approved make fabricated out of M.S. sheet steel enclosure & necessary cutouts for operating the MCB knobs & comprising of 200 amps tinned copper busbars & earthing bus with tapped holes including internal wiring with stranded copper PVC wires or suitable size copper strips etc. & fixing the DB in flush with wall/ on wall as per site requirement with necessary M.S. angle supports, chipping the wall and replastering to smooth finish etc., wherever required as per site condition, complete in all respects, as directed by Engineer-in-charge and comprising the following as per CPWD specification as detailed below:

4 way MCB DB 230V with Double door

63A 415V gr.4P,10 KA MCB

5-32A, 240V gr. 10kA, SP MCB

32A, 240V gr. 10kA, 4P MCB

Earth station.

Supply & providing GI earth stations using 600x600x6mm thick GI plate electrode complete at 2.7 mtr. below the ground level with 50mm dia class B G.I. pipe for watering, G.I funnel etc. & Cement concrete base of minimum size 750x750x100mm thick shall be provided using 1:2:6 CC after necessary excavation, refilling of soil, consolidating, ramming, leveling of soil etc. and providing & laying homogenous mixture of charcoal and salt as per CPWD specification.

Supply, fixing & connecting the 25X5mm size GI strip on wall / clamping to the existing duct wall / laying in cable tray/ laying 1 ft. below the ground. level with necessary excavation, concrete cutting & re-concreting, refilling, consolidation & levelling of soil after laying for interconnection between the earth pits as directed by EIC as per CPWD specification.

Civil Woks

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge. Nominal concrete 1:4;8 or Linear mix (i/c equivalent design mix) as per direction of Engineer-In-Charge as per CPWD.

Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge as per CPWD.

Earth work in excavation by mechanical means(Hydraulic excavator)/ manual means is foundation trenches or drains (not exceeding 1.5m in depth or 10sqm or plan),including dressing of sides and ramming of bottoms,lift upto 1.5m,including getting out the excavated soil and disposal of surplus excavated soil within a lead of 50m as instructed by EIC as per CPWD.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :1:4:8 (1 Cement : 4 coarse sand : 8 graded stone aggregate 40mm nominal size) as per CPWD.

Providing and laying in position M25 ready mixed or site batched design mix cement concrete for plain cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana/Ordinary Portland/Portland Slag cement, admixtures in recommended proportions as per IS : 9103 to accelerate/ retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering and finishing as per direction of the Engineer-in-charge; for the following grades of concrete. All works up to plinth level as per CPWD.

Steel reinforcement for R.C.C work including straightening, cutting,bending,placing in position and binding all complete upto plinth level.Thermo-Mechanically Treated bars of grade Fe-500D or more as per CPWD.

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work using members like MS members made up of elements like ISMB,ISMC, ISA, MS Flats, ISNT, MS Plates, holding down bolts, nuts, washer, etc , including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete as per CPWD.

Centring and shuttering including strutting, propping etc. and removal of form for:removal of form for: Foundations, footings, bases of columns etc. for mass concrete as per CPWD.

Wall(Any Thickness) including attached pittasters, buttersses, Plinth and string Courses etc as per CPWD.

Disposal of surplus earth/moorum/building rubbish/ malba/ similar unserviceable, dismantled or waste material of partitions,ceiling boards,tiles,frames etc by mechanical transport including loading, transporting, unloading in all lifts/loads upt 10 km distance from HAL. completely as per directions of Engineer-in-charge as per CPWD.

Laying, spreading and compacting stone aggregate of specified sizes to WBM specifications in uniform thickness, hand picking, rolling with 3 wheeled road / vibratory roller 8-10 tonne capacity in stages to proper grade and camber, applying and brooming requisite type of screening / binding material to fill up interstices of coarse aggregate, watering and compacting to the required density all complete as directed by EIC as per CPWD.

Filling available excavated earth (excluding rock)in trenches,plinth,sides of foundations.in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering,lead upto 50m and for all lift as per CPWD.