CONSTRUCTION OF HYDROGEN STORAGE SHED AT MET SECTION AT AFS HASIMARA

Amount

Surface dressing n. exc. 15cm deep in soft/loose soil, complete all as specified and directed.

Excavation in trenches not exceeding 1.5m wide and 1.5m deep for foundation n. exc. 10 Sqmm on plan and n. exc. 1.5m in depth and getting out soft/loose soil for foundation, cable trench etc., complete all as specified and directed.

Returning, filling in, including spreading, leveling, watering and well ramming in layer not exceeding 25cm thick for soft soil, complete all as specified and directed.

Removing excavated material n. exc. 50m and depositing where directed at a level n. exc. 1.5m above starting point in soft soil, complete all as specified and directed.

M&L for 100mm thick PCC (1:3:6) type C-2 (using 40mm graded crushed stone aggregate) as in foundation filling and sub base etc., complete all as specified and directed.

M&L for 50mm thick PCC (1:2:4) type B-1 (using 40mm graded crushed stone aggregate) as in DPC, complete all as specified and directed.

M&L for RCC M-25 design mix (using 20mm graded crushed stone aggregate) as in foundation pedestal, column and plinth beams, complete all as specified and directed.

M&L for RCC M-25 design mix (using 20mm graded crushed stone aggregate) as in column, complete all as specified and directed.

M&L for RCC M-25 design mix (using 20mm graded crushed stone aggregate) as in roof beam and roof slab, complete all as specified and directed.

M&L for RCC M-25 design mix (using 20mm graded crushed stone aggregate) as in lintel beam, complete all as specified and directed.

M&L for RCC M-25 design mix (using 20mm graded crushed stone aggregate) as in chajjas, complete all as specified and directed.

Formwork for fair and finished surfaces of concrete to sides of concrete foundations, footings, bases of columns, raft and raft beams, sides and soffits (if any) of foundation and plinth beams and similar work, vertical or to batter, complete all as specified and directed.

Formwork for fair and finished surfaces of concrete to sides of pillars of square/rectangular shape, complete all as specified and directed.

Formwork for fair and finished surfaces of concrete to sides of roof beams and lintel beam, complete all as specified and directed.

Formwork for fair and finished surfaces of concrete to chajjas, complete all as specified and directed.

Formwork for fair and finished surfaces of concrete to roof slabs, landings and similar work not exceeding 200mm thick (horizontal or sloping), complete all as specified and directed.

M&L for mild steel TMT bars 10mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips, complete all as specified and directed.

All as per item No. 17 here-in-above but 8mm as in stirrups/slab reinforcement, complete all as specified and directed.

M&L for brick work with sub class 'B' bricks, straight or curved on plan exc. 6m mean radius built in CM (1:6) , complete all as specified and directed.

M&L for 20mm (10mm+10mm) thick cement plaster in CM (1:4) on brick work or concrete surfaces using WPC in 2nd layer as per manufacturer instruction rendering is to be even & smooth without using extra cement on external wall surface, complete all as specified and directed. Note:- WPC shall be measured and paid separately.

Supply only liquid water proofing compound on external wall surface, complete all as specified and directed.

M&L for 15mmn thick cement plaster in CM (1:6) on brick work or concrete surfaces rendering is to be even & smooth without using extra cement on internal walls, complete all as specified and directed.

M&L for 5mm thick cement plaster in CM (1:3) on brick work or concrete surfaces rendering is to be even & smooth without using extra cement on ceiling , complete all as specified and directed.

M&L for preparing of new surface of wall plaster and applying three coats of white wash on internal and external wall surfaces , complete all as specified and directed.

M&L for preparing of new surface of ceiling plaster and applying three coats of white wash on ceiling surfaces, complete all as specified and directed.

M&L for sand filling under floors or in foundations including watering and consolidation, complete all as specified and directed.

M&L for laid dry bricks, sub class B. laid flat as in floors, old size brick, complete all as specified and directed.

M&L for 40mm thick plain cement concrete (1:2:4) type B-1 (using 20mm graded crushed stone aggregate) as in flooring, surface finished even and fair without using extra cement, laid in bays, complete all as specified and directed.

M&L for 35mm thick 2nd class hardwood plain framed, paneled shutter (two panels) with lock rail and panel of 9mm B.W.P. commercial ply or 12mm veneered particle board with commercial veneering on both faces. The size of rail and stile as per IS: 1003 (Part lI), kiln seasoned and chemically pressure treated, complete all as specified and directed.

S&F for 1.25mm thick steel rolling shutters, without ball bearing, including top cover, anchoring rod, hasp and staple and one shop coat of primer, erected in position as indicated, complete push pull or manual type, complete all as specified and directed.

S&F pressed steel frames (125x60mm ) for doors with one or more rebates including necessary fixing lugs, hinges, lock strike plate, etc. including one shop coat of primer, complete all as specified and directed.

S&F mild steel sliding door bolts 300mm long plate type, stove enameled black, with bright bolt not less than 12mm dia with and including a minimum of 6 bolts and nuts, four on bolt plate and two on staple plate, complete all as specified and directed.

S&F 150mm long mild steel barrel tower bolts, stove enameled black, with bright bolt and fixed, complete all as specified and directed.

S&F 125mm long mild steel pressed handles, oval type, stove enameled black, complete all as specified and directed.

S&F steel ventilators, fixed type, with glazing bars including one shop coat of primer, complete all as specified and directed.

S&F 3mm thick sheet glass, ordinary quality and glazing with oil putty in square n. exc. 0.5 Sqmm in each pane, complete all as specified and directed.

M&L for preparation of new steel surfaces of any description not otherwise described over 10cm width or girth applying two coats of synthetic enamel paint (1st grade quality), complete all as specified and directed.

M& for preparation of new wooden surfaces of any description not otherwise described over 10cm width or girth applying two coats of synthetic enamel paint (1st grade quality) over a coat of primer , complete all as specified and directed.

M& tor 75mm thick plain cement concrete (1:3:6) type C-2 (using 40mm graded crushed stone aggregate) as in plinth protection/sub base etc, complete all as specified and directed.

M&L plain cement concrete (1:3:6) type C-2 (using 40mm graded crushed stone aggregate) as in surface channels and drain, complete all as specified and directed.

Surface excavation n. exc. 30cm deep and averaging 15cm deep and getting out in soft/loose soil, complete all as specified and directed.

Hardcore of gauge n.exc 63mm deposited, spreaded and levelled in layers n.exc.15cm thick with broken stone or boulders including watered and rammed to a true surface, complete all as specified and directed.

M&L 100mm thick PCC (1:2:4) type B-1 (using 20mm graded crushed stone aggregate) as in flooring, surface finished even and fair without using extra cement, complete all as specified and directed.

M&L for forming contraction (dummy) joints 65mm deep x 10mm wide filled with sealing compound grade 'A', complete all as specified and directed.

Add to or deduct from item No. 44 here-in-before but for every 5mm depth of joint over or under, complete all as specified and directed.

M & L for flameproof point wiring concealed type with 1.5 Sqmm (nominal cross sectional area) with PVC insulated unsheathed single core stranded copper conductor zero halogen flame retardant (ZHFR) cable of working voltage 1100 volts grade conforming to IS-694 drawn in and including steel concealed conduit with all fittings & accessories such as FLP flexible conduit, FLP junction box, bends etc. including 1.5 Sqmm (nominal cross sectional area) PVC insulated unsheathed single core stranded copper conductor zero halogen flame retardant (ZHFR) cable as earth continuity conductor connected to main switch/ 'DB's or common earth dolly for one fan/light point controlled by one 16 amps single pole FLP switch for the following point wiring, complete all as specified and directed.

S&F switch flame proof rotary type with termination box in LM6, 16A, single pole 250V, complete all as specified and directed.

All as per item No. 46 here- in-but one 3 pin socket outlet 15 amps, independent, with cables 4 Sqmm size (ZHFR), complete all as specified and directed.

Flame proof switch socket & plug combined in LM6 cable termination box in LM6,16A, 250V, 4P+earth (5 pin) having foolproof interlocking i.e plug cant be removed in ON condition, complete all as specified and directed. Make : Prateek, Crompton, Sudhir, Flexpro or equivalent

Supply and fixing LED light fitting 1 x 16 Watt flame proof, CMRI certified recommended for gas/vapor group of IIA & llIB, zone 1 & 2 and IP 65 protection with die cast aluminum hosing with heat resistant toughened glass with LED tube light fixtures driver, holders, connector etc. complete with all accessories prewired and including connecting up with three core flexible copper conductor cable and flexible steel conduit of suitable size upto nearest ceiling rose, complete all as specified and directed. Make : Shyam Switch Gears, Prateek, Crompton, Sudhir, Flexpro or equivalent

S & F flame proof exhaust fan 12" 1440 RPM, IP 66, made out of dynamically balanced hub of aluminum alloy LM-6 having air discharge capacity of 1250 CFM coupled with flameproof motor of 0.25 HP singe phase, louvers 12" complete including making hole in existing walls and making good the disturbed surface & match existing surface, complete all as specified and directed. Make : Shyam Switch Gears, Prateek, Crompton, Sudhir, Flexpro or equivalent

M &L for flame proof junction box with plain cover 3/4"ET, complete all as specified and directed.

M & L for flexible metallic hose conduit of dia 25mm, complete all as specified and directed.

Supply, laying and testing cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armored, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 10 Sqmm 2 core, complete all as specified and directed.

Supply and laying double walled corrugated (DWC) HDPE duct pipe of 40mm dia conforming to IS, approved colour complete with fittings for cable protection, complete all as specified and directed.

Horizontal boring under the road by manual method below 1mtr from the road surface and dia of hole not exc. 100mm, with out damaging the existing road, getting out and disposal of soil to a distance not exceeding 50m from the site of work, complete all as specified and directed.

M&L for galvanized iron tubing 40mm bore (light grade) with all fittings for protection of cables, laid in trenches fixed to roof, slab, wall, pavement, complete all as specified and directed. (Note: Excavation and earth work shall be measured and paid separately)

Supply and fixing flame proof sheet metal enclosure for double door IP 66 MCB DBs, phosphatised, powder coated, Single Pole & Neutral (SPN) 32 Amp as incomer and 16 Amp DP MCB - 02 Nos as outgoing connection, 220 volts, IP 43 & 1K 09 with metal door fixed on wall with din rail, neutral and earth bar, in proper position, complete all as specified and directed. Make : Shyam Switch Gears, Prateek, Crompton, Sudhir, Flexpro or equivalent

S&F air termination single pointed copper rod 12mm dia and 300mm long including necessary fixing arrangement at roof, complete all as specified and directed.

S & F test point termination block of size 75mm x 75mm x 25mm made of gum metal or phosphorous bronze drilled and screwed including 3 Nos, 8mm dia 25mm long hex head screw and box of size 90mm x90mm x 90mm (made out of 1.6mm thick plain brass sheet) and screwed to wall for protection of test point, complete all as specified and directed.

S & F copper strip 20 x 3.15mm with saddles and fixing screws etc. for roof conductors with rubber & bitumen washer & fixed to porcelain insulator on wall for down conductor, complete all as specified and directed.

Supply and fixing porcelain vitreous white/brown/green spacers insulator of size 75mmx35mmx40mm height complete with one number galvanized iron stud bolts 6mm dia x 40mm long including nut & washers and two number galvanized iron fixing bolts of size 6mm dia and 50mm long including washers and drilling holes for holding/fixing aluminium strip/roof conductor as required including taking down the broken insulator, complete all as specified and directed.

M & L for earthing complete with copper plate 60x60cm x3.15mm thick electrode and 20x3mm copper strip as earthing lead buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected to 20x3mm copper strip by means of bolts, nuts, check nuts and washers connected to eathing test point all as specified or indicated including testing on completion and necessary excavation and earth work PCC (1:2:6) type C-1 with suitable size of CI cover plate with angle iron frame and opening arrangement incl providing charcoal or coke and common salt in alternate layer of 15cm compacted thickness all around the earth electrode with funnel and 20mm bore galvanized iron watering pipe (light grade) wire mesh, copper lugs, complete in all respect, including copper earth strip 20x3.15mm, 40mm bore (medium grade) galvanized iron pipe up to earthing test point max up to 7.5 Mtrs as directed, incl disposal of soil to a distance not exc. 50 mtr and necessary testing on completion, complete all as specified and directed. Note : Earth result after installation completely should be less than 2.0 Ohm.

M & L for construction valve chamber with bricks masonry of size 60cm x 60cm x 60cm (internal dimension) with 15cm thick foundation using PCC (1:4:8), type D2, (using 40mm graded crushed stone aggregate), 23cm thick brick walls built in cement mortar (1:6), 10mm thick plaster in cement mortar (1:4) on internal and external surface (above ground level), finished even and fair without using extra cement 5mm thick MS sheet cover including 40 x 40 x 6mm thick angle iron frame fixed on 150mm thick PCC (1:2:4), type B1, (using 20mm graded crushed stone aggregate) as in including 25mm x 6mm flat iron hold fasts, handles, hinges with locking arrangement and applying two coats of synthetic enamel paint over one coat of red oxide primer to steel surface including excavation earthwork in hard/dense soil returning filling in disposal of surplus soil to a distance n. exc. 50 mtr outside MD land etc, complete all as specified and directed.

S&F gun metal gate/globe valves of size 25mm dia suitable to GI pipes with iron wheel head screwed both ends for iron pipes, complete all as specified and directed.

Supply, laying, connecting and testing GI water tubing (|SI marked), medium grade with all fittings such as sockets, bends, unions, elbows short pieces, back nuts, diminishing pieces, caps, plugs and unions, and fixing complete with clips, wall hooks, wooden plugs fixed to walls and ceiling or floor of 25mm dia, complete all as specified and directed.

S&F straight plain brass ferrules (or connecting screws) screwed both ends and fixed 50mm bore dia of pipe, complete all as specified and directed.

Supply and fixing CI special for branch connection from existing header from 50mm dia pipe line (one flanged tee and one flanged bend and one connecting piece both end flanged, complete all as specified and directed.

M/S ANIL KUMAR BAUL

SHRI SURAJIT SIKDER

M/S ANNI ENTERPRISE

M/S I P GROUP

M/S. VINITA CONSTRUCTION

MAJUMDER ENTERPRISE

M/S MANODEEP CONSTRUCTION