SPECIAL REPAIRS TO STATIC WATER TANKS AT AF STN KURSEONG UNDER GE (AF) BAGDOGRA

Amount

Taking down cement plaster on brick or stone walls, etc. including raking out joints, hacking for key, scrubbing down with water complete all as specified and directed.

M&L for 15mm thick rendering on fair faces of brick work or concrete surface built in cement mortar 1:4 surface finished fair and even without using extra cement complete all as specified and directed. Note:- Water proofing compound shall be measured and paid separately as supply only.

M&L for applying two coats of water proofing coating of approved manufacturer after preparation of new surface of walls/floors complete all as specified and directed. Note : Water proofing coating work to be carried out as per manufacture instructions.

Dismantling wrought iron or mild steel work of any description not otherwise provided for complete all as specified and directed.

M&L for Framed work such as grills, gratings etc., with ends of bars shouldered and/or riveted, or forget into spikes; framed guard bars; barred iron doors; ladders; framed balusters; walk ways; railings; framework of water tanks and similar work conforming to Fe 410-0 or Fe 310-0 etc complete all as specified and directed.

M&L for Hard drawn steel wire fabric weight exc 4 kg per sqm, cut to lengths, bent to shape required welded to frame etc complete all as specified and as directed.

S&F Hand rails, half round or other stock section or core for wooden hand-rail straight portion, drilled and countersunk for balusters running bars, for doors, balusters, nosing to steps including embedding in concrete and screwing etc. 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 drilling, bolting or riveting, etc., and similar work conforming to Fe 410-0 or Fe 310-0 etc complete all as specified and directed.

S&F Mild steel 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, exc 5cm long etc complete all as specified and directed.

Demolition of Concrete of any description and in any position not otherwise specifically provided for complete all as specified and directed.

M&L for 100mm thick PCC, (1:4:8), Type D2 (using 40mm graded stone aggregate) as in sub floor complete all as specified and directed.

M&L for interlocking tiles machine pressed precast paver block any shape and size conforming to IS-15628-2006 of 60mm thickness M-35 grade with grey cement and pigment all as specified and as directed.

M&L for Sand filling under floors or in cushioning for paver block including watering and consolidation all as specified and as directed.

M&L For Cement concrete, 1:4:8, type D-2 (using 40 mm graded stone aggregate) as in foundations, filling and mass concrete etc complete all as specified and directed.

M&L for two coats of painting with synthetic enamel paint (ordinary tint), over one coat of red oxide, zinc chrome primer on steel and iron surface of any description, over 10cm in width or girth, not otherwise described including preparation of new surfaces complete all as specified and directed.

Excavation in trenches in soft / loose soil n.exc 1.5 mtr wide n.exc 1.5 mtr deep getting out soil complete all as specified and directed.

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

Removing excavated material (Soil) n.exc 50 mtr and depositing where directed at a level n.exc 1.5 mtr above the starting point all as specified and directed.

Earth work in excavation by mechanical means (Hydraulic excavator)/ 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, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m complete all as specified and directed.

M&L for cement concrete, 1:3:6, type C2 (using 40 mm graded aggregate) for making good to disturbed surface of road etc. complete all as specified and directed.

Supply and laying in repair the GI water tubing 80 mm bore, medium grade with all fittings in trenches complete all as specified and directed.

All as per item No 20 above, but 50 mm bore.

All as per item No 20 above, but 25 mm bore.

S&F Gun metal Gate Valve with iron wheel head, screwed both ends for iron / PPR pipe of 50 mm dia complete all as specified and directed.

All as per item No 23 above, but 25 mm dia.

M&L for Construction of valve pit of size 90 x 90 x 90 cm (Internal dimension) incl necessary earth work and MS sheet 2 mm thick cover with angle iron frame 25 x 25 x 6mm including demolition of existing valve pit and iron cover all as specified as directed.

S&F Air Release valve, double action chamber of size 80 mm dia all complete all as specified and directed.

S&F 4-6mm thick Non asbestos fibre cement building boards fixed or laid to GI with screws and GI frame work for seamless two unequal flanges of 20 and 30mm and web of 27mm fixed to surrounding wall using nylon sleeves and screws at 450mm centre to centre/ intermediate channel 0.9mm thick having two equal flanges of 15mm each and web of 45mm suspended from soffit at approx 900mm centre to centre with GI cleat and steel expansion fasteners with and including ceiling section (not exc 1.2m length) of 0.55mm thickness having kurled web of 50mm and flange of 26mm each with lips of 10.5mm fixed to the intermediate channel with connecting clips across the intermediate channel at 457mm centre to centre, Hangers 6mm dia. G.I. cleats made out of G.I. (upto 1200mm length) adjusting level fixed to roof slabs by means of ceiling cleats made out of G.I. flat 40 x 3 mm size 60mm long and expansion hold fasteners 12.5mm dia, 40mm long complete all as specified etc applying two coats of oil bound distempering over a coat of chalk whitening complete all as specified and directed.

S&F 12mm thick toughened glass door shutter of approved brand and manufacturer, including providing and fixing top & bottom pivot & spring type fixing arrangement and making necessary holes etc for fixing door fittings complete all as per direction of Engr-in-Charge.

S&F framed work such as grills, gratings etc with ends of bars shouldered and/ or riveted or forged into spikes; framed guard bars; barred iron doors; ladders; framed balusters; walk ways; railing; framework of water tanks and similar work conforming to Fe.290.Gde-E-165 complete all as specified and directed.

M&L for providing Point wiring with 1.5 Sqmm (nominal area) single core PVC insulated FRLSH unsheathed multi-stranded copper conductor cable (maintaining colour code) 1100 volts grade in and including PVC casing capping of adequate size but not less than 20mm in width and 1.2mm thick with all fittings and accessories including modular surface box of adequate size with suitable modular plate cover for mounting modular switches, sockets, regulators, light fittings etc. complete with all fittings and accessories fixed to wall/ ceiling for one fan point controlled by one oneway switches including one run 1.5 sqmm (nominal area) PVC insulated flame retardant unsheathed multi-stranded copper conductor cable green in colour for earth continuity conductor connected to common earth dolly complete all as specified & directed.

M&L for Point wiring with 1.5 Sqmm (nominal area) single core PVC insulated FRLSH unsheathed multi-stranded copper conductor cable (maintaining colour code), 1100 volts grade in and including stove enamelled steel conduit not less than 20mm medium grade with all fittings and accessories including box of adequate size with suitable plate cover for mounting flame proof switches, sockets, regulators, light fittings etc. complete with all fittings and accessories fixed to wall/ ceiling for one light/ fan point controlled by one oneway flame proof switches including one run 1.5 sqmm (nominal area) PVC insulated flame retardant unsheathed multi-stranded copper conductor cable green in colour for earth continuity conductor connected to common earth dolly complete all as specified & directed.

S&F LED light fitting 1x30 watt flame proof, CMRI certified recommended for gas/ vapour group of IIA & IIIB, Zone 1 & 2 and IP 65 protection with die cast aluminum housing with heat resistant toughened glass with LED tube light fixtures driver, holders, connector etc complete with all accessories prewired and including connecting upto with three core flexible copper conductor cable with suitable size complete all as specified and directed.

S&F switch piano, flush type, one way 5 Amp, 230 V complete all as specified and directed.

S&F ceiling rose surface bakelite two to three terminal 65 x 50mm three terminal 250/230 volts ISI marked complete all as specified and directed.

S&F exhaust fan metal body with louvers 300mm sweep, 1400 RPM or more, air delivery not less than 1600 CFM, single phase, 240 Volts, AC, 50 Hz and connecting up complete and provision of cable of 3 core of size 0.75 Sqmm from ceiling rose to fan complete all as specified and directed.

Demolition of brick work or stone/ boulder machinery built in cement mortar/lime mortar etc but excluding ashlar facing dressed stone work and pre cast concrete article complete all as specified and directed.

NOTES :- 1. The amount of schedule of credit shall be deducted from the total of this BOQ for arriving at contract sum.

SREE SWAPAN KUMAR GHOSH

M/s Prakash Traders

HALDER ENTERPRISERS

SHRI P P SHARMA

M/s Chakraborty Enterprise

SUNIL DAS AND CO

RABI BANIK