Providing additional power supply to Process Shop by laying new HT cable 11KV RMU and LT Panels at AS 1 Substation of Aircraft Division HAL BC

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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.

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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

Supply, Installation, Testing & commissioning of 11KV, 630A, 3-Way, Outdoor RMU(CCV).

Supply and laying in already excavated trench/masonry duct/ encasing in pipe/fixing on wall /cable tray/RCC duct testing & commissioning of 11KV(E), 3CX185 Sq.mm XLPE insulated aluminium(Al) conductor armoured(Arm) HT U.G cable as specified in the technical specifications to the tender document and as directed by Engineer-in-charge. Note:- 1)For cables which are to be laid in existing cable duct/pullout chamber/cable tray: scope should includes removing exiting Precast concrete slab/ Chequerred plate/existing sand and refixing of same after laying of cable including chipping and reconcereting to match with existing fiinish complete in all respect. 2) For the cables which are to be laid in soil, Excavation, Concrete cutting, reconcreting & HDD etc., if any will be measured separately.

Supply & providing 3C x 185 Sqmm Heat shrinkable type indoor cable end joints using bi-metalic end terminal lugs for the proposed 11KV(E) aluminium conductor armoured XLPE insulated HT cable using suitable jointing kits of approved make with all required accessories complete in all respects including connecting to the 11KV circuit breakers and transformers.

Supplying and making straight through cable jointing with heat shrinkable jointing kit complete with all accessories including ferrules suitable for 3Cx185Sqmm, XLPE aluminium conductor cable of 11 KV(E) grade as required.(Earthed cable)

Supply, Installation, Testing & commiissioning of Main LT Panel.(TTA)

Incomer

1 No-2500A, 415V gr. 50 KA, 4P MDO Type ACB

Lot - 2500A TP +1250A N, 415V, short circuit rated 50 KA for 1sec, 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 power logic PM2230 of Schneider or any equivalent make meeting technical specification of above MFM complete in all respect.

1 Set of - 2500/5A current transformers of suitable class and VA burden for metering.

1 Set of - 2500/5A current transformers of suitable class and VA burden for sensing PF at transformer incomer switchgear.

1 No13A 415V gr TP 100KA MPCB of for tapping power for metering and control circuit

1 Set - RYB indicating lamps of LED module with 6A SP MCB.

1 Set- 6A, MCB for the protection of measuring instruments.

Outgoings

1 No - 1600A 415V gr. 50KA 4P MDO type ACB

1 No - 1250A 415V gr. 50KA 4P MDO type ACB.

2 Nos - 800A 415V gr. 50KA 4P MP based MCCB.

Design, fabrication, supply & installation of weather proof outdoor kiosk for erection of LT Panel at Sl no-5 mounted on the existing brick pedestal using suitable size M.S channel iron frame work with cable entry from bottom fabricated out of 12 gauge sheet steel powder coated with 7 tank cleaning process with front lockable SS hinged door(Double door with padlock arrangment and tower bolt inside) and having all around working space of 150mm and canopy type top cover to avoid rainwater collection, complete as directed by Engineer-in-charge.

Supply & laying in the already excavated cable trench/cable tray/fixing on wall/duct wall with necessary M.S clamps / encasing in pipes etc., testing & commissioning of following size XLPE insulated Aluminium (Al) conductor(stranded) 1.1 KV grade confirming to IS: 7098 ( part-I)/1998 with upto date amendment earthed Armoured (Arm)U.G cables and as per technical specification including stacking at site, proper storage complete etc., as required. (Note:- Excavation, sand & Brick Protection, concrete cutting, reconcreting, casing pipes will be measured separately.)

3.5CX 300 Sqmm Aluminium armoured conductor

Supplying and making end termination with brass compression gland and aluminium(Al) lugs for following size of PVC insulated and PVC sheathed / XLPE armoured(Arm) aluminium conductor cable of 1.1 KV grade as required

3.5C X300 Sqmm Al Arm LT Cable End Joint

Sand & brick protection for U G cables

Supplying and providing 75mm thick sand around the LT/HT grade armoured UG cables including providing the well burnt brick covering extreme ends, in between the cables and top of the cables as per standard practice.

Supplying and providing 75mm thick sand around the LT/HT grade armoured UG cables including providing the well burnt brick covering the cable as per standard practice.(for additional run)

RMU and LT panel Plinth

Providing 150mm thick 1:4:8 cement concrete bed using 40mm graded aggregate including curing, etc., complete as directed by the Engineer-in-charge.

Construction of Brick masonary with 1:6 cement mortar including curing etc., as directed by Engineer In Charge.

Providing 1:2:4 Cement Concrete using 20mm graded aggregate including curing etc., complete as directed by the Engineer-in-charge.

Rendering 12mm thick 1:6 cement plaster on fair faces of the above stone masonry including curing as directed by Engineer In Charge.

Transformer/RMU Fencing yard

Supply, fabricating & grouting in the soil 75x75x6mm thick M.S angle iron post of not less than 6.8 Kg/mtr., 3mtrs long (600mm below ground level & 2.4 Mtrs. above ground level) for fixing the GI chain link type fencing panels including excavation and providing 1:4:8 cement concrete foundation of size 200mm x 200mm x 800mm for grouting the post and painting the post with 2 coats of aluminium paint over a coat of aluminium primer complete in all respect and as directed by OIC/EIC.

Supply & fabrication of heavy duty GI chain link type fencing panels of size 2000mm width and 2400mm height and fixing the same to the angle iron post indicated above by employing necessary bolts, nuts etc. The chain link mesh fencing panel shall be fabricated out of 40x40x6mm angle iron frame work all round and covering this panel with chain link mesh fencing made up of 8 SWG galvanised steel wire of not less than 4 Kg/m2 conforming to IS 2721 and cross support of 50X6 mm size MS flat( "X" cross section), including painting the MS frame work of fencing panel with 2 coats of aluminium paint over a coat of aluminium primer, preparation of surface etc., complete in all respect and as directed by OIC/EIC.

Supply, fabrication and fixing 1500mm wide 2400mm height M.S angle iron hinged & lockable gate fabricated out of 50x50x6mm thick angle iron frame work all round and covering this panel with chain link mesh fencing made up of 8 SWG galvanised steel wire of not less than 4 Kg/m2 conforming to IS 2721 and cross support of 50X6 mm size MS flat( "X" cross section), with pad lock arrangement including painting the MS frame work of fencing panel with 2 coats of aluminium paint over a coat of aluminium primer, rate complete in all respects.

Supply and spreading of 75mm thick brick soling base including necessary ramming, consolidating form work for preparation of surface after levelling the complete yard including 1mtr all around the fencing as per site requirement complete in all respect and as directed by OIC/EIC.

Supply, mixing and placing 1:3:6 cement concrete of 100mm thick using 40mm graded aggregate in suitable piles above brick soling base ( Brick soling will be measured separately) and finishing the top by belting complete in all respect and as directed by OIC/EIC.

Earth work in excavation by mechanical means (Hydraulic excavator)/manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan). Including dressing of sides and ramming of bottoms, for all lift, including getting out the excavated soil & refilling the same soil and disposal of surplus excavated soil as directed, with in a lead of 50m.

Demolishing Cement Concrete manually/machanical means including disposal of material within 50 metres lead as per direction of Engineer in charge

Design, Fabrication, Supply and fixing/grouting/welding on wall/ceiling/truss of suitable size MS angle iron supports/ flat/ brackets for Cable tray support as per site requirement and painting the same with two coats of synthetic enamel paint over a coat of zinc chromite primer complete in all respects and as directed by EIC/OIC.

Supplying and fixing of 300 x 50 x 1.6mm size Hot dip galvanised Perforated type cable tray with out cover, steel: As per IS:2062 / 1079, Galvanising : As per IS: 2629 / 4759 including all accessories like base slotted angle, horizontal elbow, horizontal tee, horizontal cross, horizontal reducer, vertical elbow up, inside, vertical elbow down, outside, coupler plate, fasteners etc.

Removing & re-routing of existing LT cables

MV Laying Above (95 Sq.mm and upto 185 Sq.mm)

MV Cable Laying ( above 185 sq. mm and upto 400 sq. mm)

Removing & re-spreading/levelling of exiting stone jelly after completion of Cable laying, erection of RMU, LT Panel & earthing of existing transformer at existing transformer yard-180 Sqmtrs and removing of existing cables-50mtrs.

Earthing

Supply & providing earth stations using 600x600x3.15mm thick copper plate electrode complete at 2.5 mtr. below the ground level with 20mm 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 cement concrete chamber of inside dimension 300x300x300mm with a wall thickness of 120mm using 1:2:6 CC above the base concrete including providing 50mm thick RCC cover including required salt & charcoal, 2runs of 50x6 mm(300mm) copper strip from plate electrode upto top of the chamber etc. as per technical specification enclosed with the tender documents & as per IS 3043 complete in all respects.

Supply, providing and Fixing Cast Iron Pipe earth station confirming to IS 3043 complete with 2750mm long, 100 mm Inner Dia(ID),13mm thickness CI Pipe, with 2 part clamp made out of G I flat 50 x 6 mm continuously welded around the pipe using cast iron welding electrodes as per drawing. The cost also incudes excavation for earth pit, providing & laying homogenous mixture of charcoal lumps, salt & sand all around the pipe as per specification, supplying and fixing of RCC Collar of size 450 mm dia, 450 mm height and 50 mm thick over Cement concrete base of minimum size 150mm width & 100mm thick all around below collar shall be provided using 1:2:6 CC after necessary excavation, refilling of soil, consolidating, ramming, leveling of soil etc., supplying & fixing the label board(MS Plate of size 300mmx200mmX2mm) welding to the electrode complete as per specification, std drawing, instructions of EIC.

Supply, fixing & connecting the 50X6mm size G.I strip on wall / clamping to the existing duct wall / fixing on steel structures/ laying 2 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 and the LT & HT panels earthing & Transformer body earthing as directed by Engineer-in-charge. Note:- Excavation, concrete cutting & re concreting will be measured separately.

Supply, fixing & connecting the 40X6mm size Copper strip on wall / clamping to the existing duct wall / laying in cable tray/ laying 2 ft. below the ground. level with necessary excavation, concretecutting & re-concreting, refilling, consolidation & levelling of soil after laying for interconnection between the earth pits and transformer neutral as directed by Engineer-in-charge. Note:- Excavation, concrete cutting & re-concreting will be measured separately.

Substation Accessories

Removing & re-spreading/levelling of exiting stone jelly after completion of transformer & LT Panel erection at existing transformer yard at approx. 50 Sqmtrs complete in all respects and as directed by Engineer in charge.

5Kg Dry powder type fire extinguiser fixed with suitable clamps.(To be fixed on wall.)

Good quality Rubber gloves for Electrical operation tested for 22KV

Danger Boards of Vitreous enamelled M.S sheet of 2mm thick for 415V installation.

Danger Boards of Vitreous enammelled M.S sheet of 2mm thick for 11KV installation.

Supply and spreading 2mm thick synthetic insulated mat as per IS 15652:2006(class-A) suitable for operation ok 1.1KV equipment

Supply and spreading 2.5 mm thick synthetic insulated mat as per IS 15652:2006(class-B) suitable for operation ok 11KV equipment

Supply and fixing in position 4nos Steel Round bottomed fire buckets filled with sand of 9 Ltrs capacity with floor stand, sand, painting etc., without canopy

Supply of First Aid Chart with Lamination.

First aid box with standarard first aid kit of Thadani make as per standards.