REPAIR TO SEWAGE LINE, SEPTIC TANK, RETAINING WALL, HARD STANDING WORK, STREET LIGHT AND OTHER CONNECTED WORKS AT 799 SU AFS KURSEONG UNDER GE (AF) BAGDOGRA

Amount

Repairs to sewage line De-sludging, cleaning completely of solid liquid sludge by pumping or manually from inside the septic tank and removal of sludge to a distance n.exc 250 metre and depositing into excavated pit of appropriate size as directed and filled up with earth in each layer of 30 cm thick complete all as specified and directed.

Cleaning of blocked sewage line of 150 mm bore of pipe by rodding with using steel rod or split bamboo stick thoroughly from inspection chamber to manhole or from both sides between manhole to manhole or from manhole to septic tank of any depth till clear flow of sewage line is observed including taking out blocked/ accumulated sludge & other foreign particles from manholes & pipe lines and buried the same in earth pits and spreading of bleaching powder over the sludge & covered with bamboo matting before filling of earth in layer of 30 cm complete all as specified and directed.

All as per ser item No. 2.00 above, but 100 mm bore pipe complete.

Dismantling and breaking up drain pipe (salt glazed stone ware or concrete) of 150 mm bore (Internal), set in cement mortar including taking out from trenches if required and removing from the site complete all as specified and directed.

All as per item No. 4.00 above, but 100 mm bore pipe complete.

M&L for PCC, (1:3:6), type C-2 (using 40 mm graded stone aggregates) as in concrete bed to drain pipes including packing under and haunching against the side of pipes after they are laid, jointed and tested for 150 mm bore of pipe lines complete all as specified and directed.

All as per item No. 6.00 above, but 100 mm bore pipe complete.

M&L for salt glazed stone ware (SGSW) drain pipe 150 mm dia, (internal) in trenches and jointed including testing complete all as specified and directed.

All as per item No. 8.00 above, but 100 mm dia pipe complete.

Dismantling of cast iron drain pipe of 100 mm bore, jointed in cement mortar including taking out from trenches if required including separating serviceable pipe for reuse complete all as specified and directed.

All as per item No. 10.00 above, but for 75 mm bore pipe complete.

Supply, laying, jointing and testing 110 mm bore PVC (SWR) pipe single socketed in any length with rubber ring joints, fixed to walls with suitable size clamps, nuts bolts etc complete all as specified and directed.

All as per item No. 12.00 above, but for 75 mm bore pipe complete.

Cutting 100 mm bore salt glazed stone ware drain pipe in position including jointing socket end of new pipe to same with pocket super yarn and cement mortar 1:1 complete all as specified and directed by Engr-in-Charge.

All as per item No. 14.00 above, but for 150 mm bore pipe complete.

Dismantling floor hearth or wall tiling including cement mortar bedding (but not backing) removing serviceable tiles to store and rubbish off the premises complete all as specified and directed.

M&L for non skid coloured ceramic tile 7-8 mm thick (square or rectangular) area of each tile exc 0.06 sqm but n.exc 0.11 sqm in floors set jointed in neat cement slurry and pointed in white or coloured cement to match over 15 mm thick screed bed in cement mortar 1:6 complete all as specified and directed.

M&L for glazed ceramic coloured tile (300x200x7mm) thick set and jointed in neat cement slurry and pointed in white or coloured cement to match the colour of tile in vertical surfaces such as skirting dado etc including over 10 mm thick cement plaster in CM 1:4 complete all as specified and directed.

Taking out saturated broken stone/ brick bats etc from soak well and removing to a distance upto 50 mtr and depositing in low lying area all complete as specified and directed.

M&L for loose filling with aggregates of broken stones or boulders of gauge 80 to 150 mm in soakage pits, soakage wells taking out saturated broken stones/brick bats etc soak well and removing to a distance upto 50 mtr and dumped in pit all complete as specified and directed.

Demolition of precast cover slab of any description and in any position including separating serviceable reinforcement bars and setting aside for reuse complete all as specified and directed.

M&L for pre-cast RCC, (1:2:4), type B-1 (using 20 mm graded stone aggregates) as in cover slabs for manholes or RCC slab, set in cement mortar (1:4) including necessary form work complete all as specified and directed.

M&L for Thermo Mechanically Treated (TMT) bar, 10 mm dia and over, cut to length, bent to shape as required, including cranking, hooking ends and binding with and including mild steel wire (annealed) not less than 0.90mm dia or securing with clips complete all as specified and directed.

Taking down cement plaster of any description on brick or stone walls etc including racking out joints, hacking for key, scrubbing down with water etc 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 even and fair without using extra cement complete all as specified and directed.

M&L for preparation of newly plastered surface of any description and applying two coats of cement base paint over a coat of white wash complete all as specified and directed.

S&F in repair, vitreous china squatting pan 'Orissa pattern' size 580x440mm white with integral foot rest including connection to 100 mm bore 'P' or 'S' trap and flushing pipe, anti-syphonage pipe etc and including lime concrete bedding complete all as specified and directed.

Demolition of cement concrete in any description & in any position not specially provided for complete all as specified and directed.

M&L for cement concrete, (1:5:10), type E-2 (using 40mm graded brick aggregates) as in sunken portion of WC etc complete all as specified and directed.

M&L for 75 mm thick PCC, 1:3:6, type C1 (using 20mm graded stone aggregate) as in plinth protection laid in alternative bays finished even and fair without using extra cement complete all as specified and directed.

M&L for 100 mm 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 tile machine pressed precast paver block any shape and size conforming to IS:15628-2006 of 60 mm thickness M-35 grade with grey cement and pigment complete all as specified and directed.

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

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

Supply only bleaching powder stable of having concentration of minimum chlorine content 65% grade-I quality confirming to IS:673 in factory sealed packet delivered at MES store yard complete all as specified and directed.

Excavation in trenches n.exc 1.5 mtr width and n.exc 1.5 mtr depth and getting out in hard/dense soil complete all as specified and directed.

Returning and filling in with soil obtained from excavation in laying n.exc 25 cm thick including watering ramming etc. complete all as specified and directed.

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

Demolition of brick work/ stone masonry built in CM including all quoins, arches, pillars etc but excluding ashlar facings, dressed stonework and precast concrete articles complete all as specified and directed.

M&L for brick work with fly ash bricks, old size brick straight or curved on plan to exc 6 m mean radius built in CM 1:6 without using extra cement complete all as specified and directed.

M&L for walling of random rubble uncoursed, well bonded, bedded and solidly hearted built in cement mortar 1:4 complete all as specified and directed.

M&L for precast cement concrete, 1:3:6, type C1 (using 20 mm graded stone aggregate) for bond stone set in CM (1:4) complete all as specified and directed.

M&L for reinforced concrete pipe 100 mm bore, class NP2 with one collar per length of pipe complete all as specified and directed.

M&L for PCC, 1:2:4, type B-1 (using 20mm graded stone aggregate) as in copings including weathering, slightly rounded and chamfered complete all as specified and directed.

M&L for raised keyed pointing to random or polygonal rubble uncoursed or brought upto courses in cement mortar 1:4 complete all as specified and directed.

Extra over stone walling for hammer dressing to face stones & dressing to face beds and joints as specified at RR walling uncoarsed or brought upto coarse, max depression on face from straight edge held against the dressed surface n.exc 20 mm granite or trap stone complete all as specified and directed.

M&L for extra for forming fair finished drain or channel 30 cm inner girth in cement concrete using extra cement incl forms moulds, mitred/ stopped ends etc complete all as specified and directed.

Dismantling water tank and removing to store capacity exc 500 Ltr & n.exc 1000 Ltr complete all as specified and directed.

S&F in repair, rotational moulded polyethylene water storage tank,1000 litre capacity, ISI marked, multi layer constriction (cylindrical vertical with closed top), hoisted & fixed in position including dismantling water tank and removing to store complete all as specified and directed.

Repairs to street light Taking down old unserviceable light fittings from pole/ wall after disconnection the connecting wires of any type or size and supply and fixing in replacement of Energy efficient LED street light/ roadway luminaire, high PF, 60W, 6000K, energy saving and environmental friendly long life versatile pressure die cast aluminium housing, toughened glass cover, IP 66 protection, 240 V, using 1.5 sqmm, PVC insulated sheathed 3 core multistranded copper conductor cable, 1100 V grade (upto 3.0 mtr) for connection passing through bracket/ pole as per site requirement, testing & commissioning and as directed.

All as per item No. 50.00 above, but for energy efficient LED street light/ roadway luminaire, high PF, 90W, 6000K complete.

Taking down old unserviceable light fittings from pole/ wall after disconnection the connecting wires of any type or size and supply and fixing in replacement of energy efficient LED flood light luminaire, high PF, 80W, energy saving and environmental friendly and efficacy of not less than 110 Lm/w, long life versatile pressure die cast housing IP 66 protection, 240 V, using 2.5 sqmm, PVC insulated sheathed 3 core copper conductor cable, 1100 V grade (upto 3.0 mtr) for connection etc as per site requirement, testing & commissioning and as directed.

All as per item No. 52.00 above, but for energy efficient LED flood light luminaire, high PF, 150W complete.

S&F in replacement of LED Highbay, 80W LED with high luminous efficacy upto ≥ 100 LPW IP 66 protected, front toughened glass, with discrete high lumen LED, energy saving, long life with all accessories, 240V, using 2.5 Sqmm, PVC insulated sheathed 3 core multistranded copper conductor cable, 1100V grade for connection passing through PVC conduit upto 25 mm size as per site requirement, testing & commissioning and as directed.

All as per item No. 54.00 above, but for LED highbay, 120W LED complete.

S&F in replacement of LED post top lantern E-Top, 30W with low glare optical design acrylic opal diffuser with spigot made up of cast aluminium and wired with all accessories, 240V, including taking down of old unserviceable light fitting, pre-wired using 1.5 Sqmm, PVC insulated sheathed 3 core multistranded copper conductor cable, 1100V grade (upto 3.0 RM) for connection passing through PVC conduit or pole, from junction box to light fitting as per site requirement, testing & commissioning and as directed.

S&F in replacement of 9/10 W LED bollard decorative light glaze fitting with low glare diffuser including taking down of old unserviceable light fitting and necessary PCC work 1:2:4 of adequate size for fixing of bollard fitting as per site requirement, testing & commissioning and as directed.

S&F in replacement of LED aviation light fitting 10W, 240V with comprising of aluminium housing with red polycarbonate dome for better illumination, 302x5mm LED, IP 66 protection including taking down of old unserviceable light fitting complete all as per site requirement and as directed. Make: Bajaj Cat Part No BGAV 302 LED or equivalent make ISI Mark as approved.

S&F in replacement of PVC weather proof, hinged door, junction box with 240V, neutral link, three phase connector, with IP 66/67 protection suitable for outdoor installation on pole/wall surface and including with 1 No MCB SP of 6 Amps, necessary fixing arrangement such as clamps, nut, bolts etc including dismantling old unserviceable junction box complete all as specified and directed. Make: Sintex Cat Part No. GSMB 2520, Hensel Cat Part No KF 2500H or equivalent of ISI Mark as approved.

Supply, fixing and connecting in replacement of PVC insulated sheathed multistranded 3 core cable FR grade of size 4.0 sqmm with copper conductor including passing through PVC conduit along the pole, on wall surface or in trenches from existing light fitting to existing junction box and all as per site requirement and as directed.

All as per item No. 60.00 above, but for PVC insulated sheathed 3 core cable of size 2.5 sqmm with copper conductor.

All as per item No. 60.00 here-in-before, but for PVC insulated sheathed 3 core cable of size 1.5 sqmm with copper conductor.

Taking down and replacement of brackets made out of 40mm bore GI pipe, medium grade, 1.5 m long, bend to shape and fixing with MS clamps made out of flat iron, with replacement of necessary nuts, bolts, washers etc and painting of bracket and clamps with 2 coats of synthetic enamel paint over a coat of red oxide zinc chromate primer complete as per site requirement and directed.

Taking down and replacement of existing unserviceable clamps with new clamps made out of 40 x 6 mm bending to shape, drilling holes for bolts suitable for fixing GI pipe bracket to steel pole, made in two halves, including nuts, bolts, washers and painting with two coats of aluminium paint over a coat of red oxide primer complete as per site requirement and directed.

M&L for rigid non-metallic, ISI marked, PVC conduit, smoke free, fire retardant and temp stable quality of size 25 mm external dia exclusive of boxes (junction/ terminal) but inclusive of all tees, bends, elbows, reducers etc. and including all fixing accessories such as couplers, lock nuts, saddles/clamps, pipe hooks for securing of electric wires/ cables of any type and size as laid along the pole or on wall surface of ISI make as approved complete all as specified and directed.

All as per item No. 65.00 above, but of size 32mm external dia.

S&F in replacement of rigid non-metallic PVC bends, FRLS grade of size 25mm external dia including all fixing accessories such as couplers, lock nuts, saddles, pipe hooks etc. all as per site requirement and as directed of ISI make as approved.

All as per item No. 67.00 above, but of size 32 mm external dia.

S&F junction box with lid and screws of 25mm external dia upto 4 way of ISI make as approved complete all as specified and directed.

All as per item No. 69.00 above, but of size 32mm external dia.

Taking down and replacement of existing unserviceable clamps with fixing new clamps made out of 25 x 4 mm MS flat bending to shape, drilling holes for bolts suitable for securing of PVC conduit upto 32 mm dia along the pole or wall from light fitting to junction box, including nuts, bolts, washers and painting with two coats of aluminium paint over a coat of red oxide primer complete all as specified and directed.

M&L for earthing complete with GI earth plate 60cmx60cmx6mm thick electrode and 4 mm dia GI wire as earthing lead, burried directly in ground (earth pit not less then 2.25 metres deep below ground level) with top edge of the plate not less then 1.5 metres below normal ground level, connected to GI wire earth lead 4 mm dia by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No. 5 and incl earth work, PCC pit and RCC cover, watering pipe 20 mm bore light grade, funnel, wire mesh, protection pipe 15 mm bore light grade up to 7.5 mtr length of earth wire, charcoal dust and salt etc and connected to earthing test point complete all as specified and directed.

M&L for earth continuity conductor/ main earthing lead fixed to wall/ batten or recess/ chases or buried in ground or drawn in conduit/ pipe or fixed to poles or any other indicated situation for loop earthing etc. as required 4 mm dia galvanised iron or steel wire 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.

UNISON CONSTRUCTION (BID ID -3111938)

SUNIL DAS AND CO (BID ID -3113398)

HALDER ENTERPRISERS (BID ID -3114101)

BUILDERS ASSOCIATE (BID ID -3111563)

SREE SWAPAN KUMAR GHOSH (BID ID -3112300)

RAMKRISHNA NARAYAN ROY & CO (BID ID -3115063)