SPL REPAIR TO WATER SUPPLY INSTALLATION AND DISTRIBUTION PIPE LINE ALONGWITH PROVN OF CHAIN LINK FENCING OF 2.4 M HEIGHT AROUND BR MES OFFICE AT SALT LAKE UNDER GE (N) KOLKATA

Amount

Excavation in trenches not exceeding 1.5mtr wide and not exceeding 1.5 mtr in depth for taking out/ for laying underground cables/ poles etc. and getting out in soft/ loose soil complete all as specified and directed.

Returning filling in including spreading levelling watering and well ramming in layers n. exc. 25 cm complete all as specified and directed.

Removing excavated soil upto distance n exc 50 mtr and depositing where directed at a level n exc 1.5 mtr above the starting point complete all as specified and directed.

Taking down cast Iron water mains 80mm bore (including all fittings), with spigot and socket ends and lead joints including burning out joints for recovering lead including stacking of serviceable pipes aside complete all as specified and directed.

All as per Item No 4 above but for 100mm bore of pipe complete all as specified and directed.

All as per Item No 4 above but for 150 mm bore of pipe complete all as specified and directed.

Supply, laying of ductile iron pipes of 80 mm bore with spigot and socket ends suitable for tyton joint (Rubber gasket joint) centrifugally cast class (K-9) for drinking water supply, inner side cement lining outer side black bitumen coating and any length, laid on RCC pillars or trenches/ wall including testing, jointing with jointing materials with ISI marked complete all as specified and directed.

All as per Item No 7 above but for 100mm bore of pipe complete all as specified and directed.

All as per Item No 7 above but for 150mm bore of pipe complete all as specified and directed.

Supply and fix 80 mm tyton joint rubber gasket complete all as specified and directed.

Supply and fix 100 mm tyton joint rubber gasket complete all as specified and directed.

Supply and fix 150 mm tyton joint rubber gasket complete all as specified and directed.

S&F Ductile iron Fittings, class K-12 conforming to IS: 9523/2000 with finishing as per 13/IS 9523/2000 such as bends (any type radius and angle), Tapers any type (straight, bend, increasing, decreasing or double socket etc ), Tee pieces, single branch, "Y" junction, double branch cross (all socket or socket and spigot) collars caps and plugs etc sutiable for upto 150 mm bore complete all as specified and directed.

Taking up or down from wall GI steel tubing and connections, 50 mm bore, setting aside and removal of unserviceable pipe from site of work complete all as specified and directed.

All as per Item No 14 above but for 40 mm bore complete all as specified and directed.

All as per Item No 14 above but for 25 mm bore complete all as specified and directed.

All as per Item No 14 above but for 20 mm bore complete all as specified and directed.

Supply and fixing of 50 mm bore GI tubing, medium grade with all new fittings as required complete fixed to walls and ceilings or laid in floors/trenches including testing complete all as specified and directed.

All as per Item No 18 above but for 40 mm bore complete all as specified and directed.

All as per Item No 18 above but for 25 mm bore complete all as specified and directed.

All as per Item No 18 above but for 20 mm bore complete all as specified and directed.

Supply, install, jointing & testing CI body sluice valve of size 150mm, class PN-1.6, ISI marked (as per IS-14846 of 2000) heavy duty with flanged ends with high tensile stainless steel spindle, iron hand wheel and fixing with nuts, bolts, washers and rubber gasket sheet for packing including taking out old unserviceable sluice valve fixed at any position complete all as specified and directed.

All as per Item No. 22 above but for 100 mm bore complete all as specified and directed.

All as per Item No. 22 above but for 80 mm bore complete all as specified and directed.

Supply, install, jointing & testing Non Returing sluice Valve of size 80 mm fixing with nuts, bolts, washers and rubber gasketsheet for packing including taking out old unserviceable Non Returning sluice valve fixed at any position all as specified and directed by Engr-in-Charge.

All as per Item No. 25 above but for 100 mm bore complete all as specified and directed.

Supply, install, jointing & testing cast iron butterfly Valve of size 100 mm fixing with nuts, bolts, washers and rubber gasket sheet for packing including taking out old unserviceable cast iron butterfly valve fixed at any position complete all as specified and directed.

All as per Item No. 27 above but for 80 mm bore complete all as specified and directed.

Supply, laying, connecting, testing and commissioning of XLPE insulated and PVC sheathed, armoured heavy duty UG cable after taking down old unserviceable cable with stranded aluminium conductors 10.0 sqmm x 4 core,1100 Volt grade, laid in trenches , including taking out old unserviceable cable complete all as specified and directed.

Supply, installation and commissioning of inbiult solar powered LED street light hybrid type with Ingress protection IP-65 comprising of LED luminaires of 70W, lithium ferrous phosphate battery of 54AH, monocrystalline panel of 150 LPW & 125Wp, MPPT charge controller and necessary fixing arrangements like bracket/cross arms, nut bolts etc., colour temperature 6000-6500K after taking down old unserviceable light fitting complete all as specified and directed. Cat No. SSLE SISH 70WT3HD2125WP 54AH LFPHYB W5 SOLAR of Make: Surya or equivalent in Makes specified in PS.

M&L for construction of brick masonry valve pits of size 100 cm x 100 cm x 100 cm (internal dimension) complete and fabrication of M S cover made out of 3 mm thick MS sheet and angle iron frame made out of 40 mm x 40 mm x 6 mm thick and one side provided with hinges and another side provided with locking arrangement including dismantling the existing unserviceable valve pit complete all as specifeid and directed.

M&L for construction of brick masonry valve pits of size 90 cm x 90 cm x 90 cm (internal dimension) complete and fabrication of M S cover made out of 3 mm thick MS sheet and angle iron frame made out of 40 mm x 40 mm x 6 mm thick and one side provided with hinges and another side provided with locking arrangement including dismantling the existing unserviceable valve pit complete all as specifeid and directed.

S&F Gun metal, gate valves, with iron wheel head, suitable for 50mm bore dia of pipes, screwed both ends for iron pipe or for union including taking out old unserviceable one complete all as specified and directed.

S&F Gun metal, gate valves, with iron wheel head, suitable for 40mm bore dia of pipes, screwed both ends for iron pipe or for union including taking out old unserviceable one complete all as specified and directed.

S&F Gun metal, gate valves, with iron wheel head, suitable for 25mm bore dia of pipes, screwed both ends for iron pipe or for union including taking out old unserviceable one complete all as specified and directed.

S&F Gun metal, gate valves, with iron wheel head, suitable for 20mm bore dia of pipes, Screwed both ends for iron pipe or for union including taking out old unserviceable one complete all as specified and directed.

S&F in repair 20mm bore, Ball valves high pressure of PTMT with epoxy coated Aluminium rod & high density plastic ball screwed for iron pipe and fixed (Minimum weight 210 gms) complete all as specified and directed.

S&F in repair 25mm bore, Ball valves high pressure of PTMT with epoxy coated Aluminium rod & high density plastic ball screwed for iron pipe and fixed (Minimum weight 210 gms) complete all as specified and directed.

S&F in repair MS ERW 100 mm pipe fixed to wall/ ceiling or laid in floors complete all as specified and as directed.

M&L for providing cement concrete (1:4:8) type D2 (using 40mm graded stone aggregates) filling and mass concrete in foundations complete all as specified & directed.

M&L for brickwork with fly ash bricks, straight or curved on plan exc 6m mean radius, radius built in cement mortar (1:6) complete all as specified and directed.

M&L for rendering 15mm thick in cement mortar (1:6) on fair faces of brickwork or concrete surfaces, finished the surface even and smooth without using extra cement complete all as specified and directed.

Material and labour for preparation of newly plastred surfaces of wall by vaccum based sanding machine, and applying two coats of Anti Fungal paint white or coloured by Auto Roller, including necessary scaffoldings complete all as specified and as directed and as per manufacturers instructions.

Supply and fix rolled mild steel Fe-410-W (grade E-250) quality A framed work such as grills, gate, gratings, etc. with ends of bars shouldered and/ or riveted, or forged into spikes; framed guard bars and similar work complete all as specified and directed.

M&L for applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer to new steel surface including preparation of surfaces exceeding 10cm width or girth complete all as specified and directed.

Excavating in post holes each n.exc. 0.5 Cum and getting out in soft /loose soil, returning, filling in and ramming earth or broken rubble mixed with earth around in layers not exc. 25 cm complete all as specified.

M&L for providing cement concrete (1:2:4) type B2 (nominal mix) (using 40 mm graded stone aggregates) in foundations filling and mass concrete for securing/ fixing of fencing post/ strut in under water including necessary formwork and dewatering as required at site complete all as specified and directed.

S&F rolled mild steel Fe-410 (Grade E-250A) angle or tee section as in post, cut to length and bent to shape as directed, fixed independently without connecting plate etc, including provision of 04 to 06 Nos gaps/ cuts/ holes in each post for providing/ laying barbed wire and one coat of red oxide zinc chrome primer after preparation of new steel surfaces complete all as specified and directed. (Note :- Barbed wire shall be measured and paid separately)

S&F mild steel wind ties for roof including securing bolts, posts and struts in fencing including cutting tops to shape as directed, drilling holes, notching for wire, etc. flat iron fillets ( for securing wire mesh etc.) including all necessary dilling, bolting or riveting etc; and similar work conforming to Fe-290 Gde E-165 complete all as specified and directed.

Supply and Fix mild steel 5-10 mm diameter of shank screw bolts (machine made) with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, length of bolt n.exc 5 cm long complete all as specified and directed. Note : (Bolt to be embeded into RCC fencing post while casting)

Supply only MS 10 mm dia round bars (Fe-410-W (Gde E-250 quality-A or Fe 290 (Gde - E-165)) as line wire for holding chain link mesh complete all as specified and directed.

S&F galvanized, 2 strand steel barbed wire 2.24 mm dia barbed with 2 mm dia barbs at 75 mm spacings and straining and fixing to any type or standard rails, straining bolts including, securing or tying at crossings with and provision of galvanized mild steel wire staples or steel pins etc complete all as specified and directed. (Note : Each line of wire to be measured seperately)

Supply only epoxy coated chain link fencing 50 mm x 50 mm mesh 4 mm thick, made out of mild steel galvanised hot drip wire including provision of binding wire completed all as specified and directed.

Fixing only epoxy coated chain link fencing including line wires, any mesh, size and type to any type of standards, rails, straining bolts/ nuts etc. including provision of binding wire complete all as and directed.

M&L for applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer to new steel surfaces not otherwise described not exceeding 10 cm width or girth complete all as specified and directed.

M&L for laying 75mm thick PCC (1:4:8) type D-2 (using 40mm graded stone aggragates) as in foundation, filling, sub base of floors etc. complete all as specified and directed.

M&L for chequered cement concrete tiles 30cm x 30cm x 25mm thick, laid over 20 mm thick screed bed or bedding layer of mortar in CM (1:6) for laying floor finishes set, jointed with grey cement and pigment and pointed in neat cement slurry in floors complete all as specified and directed.

RADHA ENTERPRISE (BID ID -3396144)

RUNJEN CONSTRUCTION (BID ID -3401010)

SHRI MILAN CHANDRA DAS (BID ID -3399746)

KWALITY CONSTRUCTION (BID ID -3401312)

Tirupati Buildcon Pvt. Ltd. (BID ID -3400352)

Lokenath Engineering Co. (BID ID -3397581)