SPECIAL REPAIRS TO ROOF AND EXTERNAL CONCEALED WIRING IN CERTAIN OTM BUILDINGS AT AF STN SALUA UNDER GE (AF) KALAIKUNDA

Amount

Demolition of cement concrete of any description and in any position not otherwise specifically provided for after taking out of old damaged unserviceable tarfelt or membrane of any description including screed bed or bedding layer and removing of debris from premises and cleaning roof surfaces by brushing etc and washing down with water and removing dirt, dust etc complete to receive roof treatment all as specified and as directed.

M&L for Cutting out cracks to V-section in existing roofs or terracing, cleaning out and filling with cement mortar (1:4) with using WPC as per manufacturers instruction over two coast of primer mixed of Latex and cement @ 1:4 (by weight) in the grooved portion and extended upto 100 mm both sides of groove complete all as specified and as directed.

M&L for 40 mm thick (Average) cement concrete type B-0, 1:2:4 using 12.5 mm graded aggregate as in roof padding, levelling course or similar work in order to maintain proper slope and camber finished the surface fair and even complete all as specified and as directed.

M & L for 15 mm thick screed bed or bedding layer in cement mortar 1:4 (to be laid when concrete is still green) with water proofing compound for roof as per Manu-factuerer’s Instructions, complete including ponding test for 72 Hrs all as specified and as directed. (Note : WPC will be measured and paid separately)

M & L for Brushing neat cement slurry with 3.0kg of cement per sq. metre over the existing concrete(Roof) surface (To be applied where no levelling course/roof padding applied, before laying screed bed)

M & L for one coat of cold bitiminous primer (IS 3384) @ 0.25 Ltr/sqm apply evenly including cleaning of surfaces complete all as specified and direcetd

M&L for laying APP based polymeric membrane minimum weighing 3.5Kg/sqm and mimimum 3mm thick reinforced with polyster non woven fabric (weighing. not less than 160 gms/sqm) laid on primed surface by torch application complete all as specified and direcetd. The overlaps shall be minimum 100 mm on the transverse direction and 75mm on longitudinal direction.

M&L for one coat of aluminium paint @ 0.11 kg/sqm over the APP modified membrance including preparation of surfaces.

M&L for PCC 1:2:4 type BO using 12.5 mm graded aggregate as in haunching. Kerb in roof, water troughs and the like including weathering, slightly rounded or chamfered angles and throating, or similar work complete all as specified and as directed.

Taking down cement plaster from brick or concrete surfaces of any description including racking out joints, hacking for key, scrubbing down with water etc complete all as directed.

Materials and Labour for rendering 5mm thick, cement plaster, in cement mortar (1:4) mixed with water proofing compound as per manufactures instructions over and including 10mm thick backing coat in cement mortar (1:4) on fair faces of brick work or concrete surface in walls, at any height and safety measures complete all as specified and directed. Note: - (Water proofing compound will be measured and paid separately)

Supply only Liquid water proofing compound conforming to IS: 2645 - 2003 specification complete all as specified and as directed.

M&L for rendering 10 mm thick in CM 1:6 on other than fair faces of brick work surfaces finished even and smooth without using extra cement complete all as specified and as directed., at any height and safety measures complete all as specified and directed.

Material and Labour for applying two coats of cement-based paint, white or tinted to new plastered surfaces on walls including priming with alkali resistant priming paint and including preparation of surfaces at any height and safety measures complete all as specified and directed.

M&L for complete removal of existing treatment from walls and applying two coats of cement-based paint, white or tinted to old plastered surfaces on walls including priming with alkali resistant priming paint and including preparation of surfaces at any height and safety measures complete all as specified and directed.

Taking up or down, steel tubing 15 mm bore, and connection including cleaning for re-fixing or removal from site of work complete all as directed.

Taking up or down, steel tubing 20 mm bore, and connection including cleaning for re-fixing or removal from site of work complete all as directed.

Materials and Labour for galvanized steel tubing, medium grade, 15 mm bore with all fittings and fixed complete to walls and ceiling or laid in floor, complete all as specified and directed.

Materials and Labour for galvanized steel tubing, medium grade, 15 mm bore with all fittings and fixed complete to walls and ceiling or laid in floor, complete all as specified and directed.

Refixing old steel tubing and connections 15mm bore in new or old position (wall, ceiling , floors) etc complete all as specified and as directed.

Refixing old steel tubing and connections 20mm bore in new or old position (wall, ceiling , floors) etc complete all as specified and as directed.

Supply and Fix in repairs , stop valves, cast copper alloy , fancy type, chromium plated, screwed down, high pressure with long shank and cup (concealed type), screwed both ends for steel pipe of for unions, 15 mm bore, complete all as specified and directed.

Supply and Fix in repairs , stop valves, cast copper alloy , fancy type, chromium plated, screwed down, high pressure with long shank and cup (concealed type), screwed both ends for steel pipe of for unions, 20 mm bore, complete all as specified and directed.

S&F in repairs PVC ball valve 20mm dia high pressure of PTMT with aluminium rod & high density plastic ball screwed for iron pipe complete all as specified and directed .

Taking down eaves gutters and rainwater pipes (any size or pattern), soil waste pipes (any size or pattern), including all fittings, heads, shoes, bends, swan-necks, etc., including cleaning or refixing or removal to Store (measured overall as fixed along the centre line over fittings and accessories) complete all as specified and as directed

S & F PVC-U, type B as per IS 13592: 2013 single socketed soil waste pipes in any length with rubber ring joints, 110 mm dia, fixed to walls incuding mild steel clamp @ 1metre C/C complete all as specified and directed by Engineer- in- charge .

S & F UPVC bends without inspection door (any angle), 110 mm dia conforming to IS 14735: 1999 complete all as specified and directed by Engineer- in- charge

M&L Brick work with flyash bricks old size bricks, straight or curved on plan exc. 6m mean radius built in cement mortar 1:6 complete all as directed.

M&L for rendering 15 mm thick in CM 1:4 on fair faces of brick work surfaces finished even and smooth without using extra cement complete all as specified and as directed.,

Demolition of brickwork or stone/boulder masonry, built in cement mortar or cement lime mortar including all quoins, arches, pillars,etc, but excluding ashlar facings, dressed stonework and precast concrete articles complete all as directed.

Supply and fixing framed work such as grills, gratings etc with ends of bars shouldered and/or riveted, or forged into spikes, framed guard bars, barried iron doors, ladders, framed balusters, walk ways, railings, and similar work conforming to FE.290.Gde-E-165

S&F Welded steel wire fabric supplied and fixed complete to wood or steel members, Weight per square metre n.exc 4.00kg

Taking down carefully point wiring for one light, socket or power etc incl all fittings such as switches sockets, holders, light fittings, fan requlators etc and making good the disturbed surface of wall, ceiling etc including seperating serviceabel light fittings, switches etc and keeping in safe custody for reuse and removal of unserviceable materials from site complete all as specified and directed.

M & L for concealed point wiring complete with 1.5 sq mm FRLS,PVC insulated multi stranded copper conductor single core cable 1100 volts grade (Red Colour use for Phase & Black Colour use for Neutral),drawn into and including non metalic PVC rigid conduit medium grade of suitable size and conduit accessories fixed on wall, floor, roof etc. and including provision of PVC insulated 1.5 sq mm copper conductor for earth continuity (Green Colour) and connected to common earth dolly and including pressed steel terminal flush boxes made out of 1.6 mm thick MS sheet or modular metal flush boxes conealed in wall and laminated sheet cover of 3 mm thick for housing the switches, socket outlet, regulator, etc. all as specified and directed by Engineer-in-Charge.,all as specified and directed by Engineer-in-Charge for one light/fan point controled by one one way 5/6 Amp switch Note:- (a) Note :- Cost of PVC conduit, cutting chases of wall, making good disturbed wall surfaces including finishing with cement mortor 1:4, matching with existing colour/paint of surface, box and cover plate are deemed to be included in the quoted rate.

All as per BOQ item No 34.00 here-in-before but for one 5 pin socket outlet 06 Amps on independent board ( but Not below the switch board of light points in the same vertical plane)

All as per BOQ item No 34.00 here-in-before but for one 5 pin socket outlet 06 Amps on same board

All as per BOQ item No 34.00 here-in-before but for one bell point controled by one bell push switch

All as per BOQ item No 34.00 here-in-before but for one power pointt using by 2.5 sq mm copper conductor cable with 2.5 sq mm PVC insulated single core copper cable for earth continuity conductor, on independent board

Supply & fixing switch piano flush button AC 230 V single pole 5/6 Amps one way.

Supply and fix switch socket combination 6 Amp 5 pin flush type as specified and directed. .

Supply & fix switch socket outlet combination, multipurpose 5/15 Amps flush type universal all as specified and directed.

Supply & fix bell push flush type 5 Amps

Supply & fixing call bell SP 230 volts Ding dong type

Supply & fixing ceiling fan regulator,electronictype,step type 5 variable speed AC, 230 volts all as directed by Engineer-in-Charge

S & F ceiling roses, 6A, 240 V, surface type, intended to support mechanical loads by means of flexible cord, having provision for the connection of switch wiring, screw type terminal, made out of Polyamide or hornbean complete all as specified and as directed.

S&F Lamp holder, PVC/Polycarbonate, angular type with back plate suitable for batten fittings

Supply and fixing for sub main wiring with two run of single core FRLS 4 Sqmm PVC insulated unsheathed stranded cable copper conductor drawn in including through PVC conduit with all fittings including 4.00 sq mm PVC insulated unsheathed single core copper conductor as earth wire and including PVC concealed conduit complete all as specified and as directed by Engr-in-Charge including taking out complete existing sub main wiring with conduit. Note : (i) Two run of single core cable 4 sq mm and one run earth wire 4 sqmm and one run of PVC conduit will be measured as one length.

Supply and fixing for sub main wiring with two run of single core FRLS 6 Sqmm PVC insulated unsheathed stranded cable copper conductor drawn in including through PVC conduit with all fittings including 6.00 sq mm PVC insulated unsheathed single core copper conductor as earth wire and including PVC concealed conduit complete all as specified and as directed by Engr-in-Charge including taking out complete existing sub main wiring with conduit. Note : (i) Two run of single core cable 6 sq mm and one run earth wire 4 sqmm and one run of PVC conduit will be measured as one length.

S&F in repairs DB Box, in sheet metal enclosure VT DB TPN, MCCB DB TPN 6 way, d double door With provision for 3 pole and 4 Pole MCCB(Up to 250A) as incomer and SP/TP MCBs as outgoings, enclosure made up of CRCA sheet steel, RAL 9003 powder coated, IP 43, IK 09, As Per IEC 61439-3, with 400 Amp copper bus bar for each phase, with 2 Neutralbar, 2 Earth bar and cable ties for cable management, with fully insulated busbar and shrouded neutral bar, reversible door provision, with colour coded interconnecting wire set, including flushing and fixing DB box in neaty in wall complete all as specified and directed by Engr-in-charge. :

S&F in repairs DB Box, in sheet metal enclosure VT DB TPN, MCCB DB TPN 6 way, double door With provision for 3 pole and 4 Pole MCCB(Up to 125A) as incomer and SP/TP MCBs as outgoings, enclosure made up of CRCA sheet steel, RAL 9003 powder coated, IP 43, IK 09, As Per IEC 61439-3, with 200 Amp copper bus bar for each phase, with 2 Neutralbar, 2 Earth bar and cable ties for cable management, with fully insulated busbar and shrouded neutral bar, reversible door provision, with colour coded interconnecting wire set, including flushing and fixing DB box in neaty in wall complete all as specified and directed by Engr-in-charge. :

Supply and fix thermal-magnetic release, Ics = 100% Icu, MCCB 415 volts, 3 phase, 50 Hz, 4 pole of capacity 63 to100 Amps 25 kA including necessary connection complete all as directed by Engr-in-Charge.

Supply and fix thermal-magnetic release, Ics = 100% Icu, MCCB 415 volts, 3 phase, 50 Hz, 4 pole of capacity 160 to 200 Amps 25 kA including necessary connection complete all as directed by Engr-in-Charge.

S&F in repairs DB Box, in sheet metal enclosure TPN, 4 way, double door enclosure made up of CRCA sheet steel, RAL 9003 powder coated, IP 43, IK 09, As Per IEC 61439-3, with 200 Amp copper bus bar for each phase, with 2 Neutralbar, 2 Earth bar and cable ties for cable management, with fully insulated busbar and shrouded neutral bar, reversible door provision, with colour coded interconnecting wire set, including flushing and fixing DB box in neaty in wall complete all as specified and directed by Engr-in-charge. :

S&F in repairs DB Box, in sheet metal enclosure TPN, 8 way, double door enclosure made up of CRCA sheet steel, RAL 9003 powder coated, IP 43, IK 09, As Per IEC 61439-3, with 200 Amp copper bus bar for each phase, with 2 Neutralbar, 2 Earth bar and cable ties for cable management, with fully insulated busbar and shrouded neutral bar, reversible door provision, with colour coded interconnecting wire set, including flushing and fixing DB box in neaty in wall complete all as specified and directed by Engr-in-charge. :

S & F in repairs sheet metal enclosure for MCB, DB, SPN, 240 Volts, 200 amps rated copper busbar, 4 way single door enclosure made up of CRCA sheet steel, RAL powder coated, IP 43,IK09 including fixing the DB box flush in wall of any type and making good the distrubed surface to match as the existing with and electrically connecting up complete all as specefied and directed. by Engr-in-charge

S & F in repairs sheet metal enclosure for MCB, DB, SPN, 240 Volts, 200 amps rated copper busbar, 8 way double door enclosure made up of CRCA sheet steel, RAL powder coated, IP 43,IK09 including fixing the DB box flush in wall of any type and making good the distrubed surface to match as the existing with and electrically connecting up complete all as specefied and directed. by Engr-in-charge

S & F in repairs sheet metal enclosure for MCB, DB, SPN, 240 Volts, 200 amps rated copper busbar, 12 way double door enclosure made up of CRCA sheet steel, RAL powder coated, IP 43,IK09 including fixing the DB box flush in wall of any type and making good the distrubed surface to match as the existing with and electrically connecting up complete all as specefied and directed. by Engr-in-charge

S&F MCB SPN 240 volts 40 to 63 Amps, 10 KA breaking capacity, 'B' Curve including connection with suitable size copper lugs complete all as specified and directed by Engr-In-Charge .

S&F MCB SPN 240 volts 32 Amps, 10 KA breaking capacity, 'C' Curve including connection with suitable size copper lugs complete all as specified and directed by Engr-In-Charge .

S&F MCB FP 240 volts 40 to 63 Amps, 10 KA breaking capacity, 'C' Curve including connection with suitable size copper lugs complete all as specified and directed by Engr-In-Charge .

S&F MCB SP 240 volts 5 to 32 Amps, 10 KA breaking capacity, 'C' Curve including connection with suitable size copper lugs complete all as specified and directed by Engr-In-Charge .

S&F MCB TP 240 volts 40 to 63 Amps, 10 KA breaking capacity, 'C' Curve including connection with suitable size copper lugs complete all as specified and directed by Engr-In-Charge .

S & F in repair single pole and neutral enclosure with two pin and earth, plug and socket , suitable for single phase 240 V,complete with one single pole MCB of capacity 20 amps having `C` charactristic, breaking cap 10 KA, including industial plug top, complete all as specified and as directed.

S&F LED 20 Watt tube light fitting (T8 type), single/double side connection type including LED retrofit tube lamp 20 W , LED tube light nominal power 20 Watt, LED of Make Osram; Everlight; Philips; Nicha; Cree; Samsung, LED wattage of minimum 1 watt each and Maximum 3 watt each, operational voltage of 170 volts to 270 volts, frequency of 50 Hz, lumen output of minimum 2100, lumen efficacy of minimum 100 lumens per watt, , integrated electronic driver (SMP based constant current supply) with output short circuit protection and surge protection upto 2.5 KV, protection grade IP 20, CRI greater than 80%, bema angle of 1200 clear, THD below or less than 20%, CW available CCT of 6500K, power factor of minimum 0.95 polycarbonate housing with aluminium, life span of minimum 50000 working hours complete fitting including connecting with PVC insulated multistranded copper flexible cable 1.0 sqmm three core, and PVC round/ square box white colour x 2 Nos for mounting of fitting including taking down old unserviceable complete all as specified & directed:

S&F in repair LED 2 ft, 9-10 Watt light fitting mirror type intergated type, LED of Make Osram; Everlight; Philips; Nicha; Cree; Samsung, LED wattage of minimum 1 watt each and Maximum 3 watt each, operational voltage of 170 volts to 270 volts, frequency of 50 Hz, , lumen efficacy of minimum 100 lumens per watt, , integrated electronic driver (SMP based constant current supply) with output short circuit protection and surge protection upto 2.5 KV, protection grade IP 20, CRI greater than 80%, bema angle of 1200 clear, THD below or less than 20%, CW available CCT of 6500K, power factor of minimum 0.95 epoxy powder coated white extruded aluminium channel housing, life span of minimum 50000 working hours complete suitable for surface mounting on wall, complete fitting including connecting with PVC insulated multistranded copper flexible cable 1.0 sqmm three core, and PVC round block white colour x 2 Nos for mounting of fitting complete all as specified & directed.

Material & labour for earthing complete with copper earth plate electrode 600 mm x 600 mm x 3.15 mm thick burried directly in ground (Earth pit not less than 3.0 mtr deep below ground level) with top edge of the plate not less than 2.4 mtr below ground level connected to copper strip 20 x 3.15 mm as earth lead by brass nut bolts washer including brazing the copper strip with copper plate as shown in electrical plate No 3 connected to earth test point including necessary excavation for earth pit in hard dense soil, rocky / disintergate rock, filling charcoal and salt around the plate in layers , filling the pit with low resistivity agriculture soil free from stones, to be bring from out side defence land and mixed with Marconite, (25 Kg each bag), construction of inspection pit ( earth pit chamber) of brick work of size 600 x 600 x 600 mm with PCC copping of 1 :1.5: 3, 12.5 mm aggregate A1 with MS sheet 2.8 mm plate cover on frame of angle iron of size 40 x 40 x 5 mm with , wire mess, funnel, test point, 40 mm dia GI protection pipe light grade and 20 mm GI peforated pipe for watering etc complete and testing on completion. The electrode and lead shall be of copper all as specified and directed by Engr-in-charge (Copper strip upto 7.5 RM will be included in the item rate and copper strip beyond 7.5 RM will be measured seperately (Note : (i) Contractor shall use low reisistivity fresh agriculture soil , mixed with 04 Bag Marconite each for refilling the pit to achive the desired resistance. (ii) copper strip will be laid below 60 cm from ground level and connected to test point through plinth protection (iii) Necessary cost of repair to plinth protection as per existing specification and connected plate and earth continuity conductor by providing 2 x brass nuts bolts and brazing of joints, bringing argiculture soil from out side defence land and cost of 04 x Bags of Marconite deemed to be included in the item rate. (iv) Contractor has to clear the side and disposed off the excavated soil from pit on completion of work. (v) Contractor has to submit test report of earthing after completing the earthing. (vi) Bentonite clay should be Conf to IS 6186: 1986. (vii) The cost of Copper strip of size 20X3.15 mm from top of earth plate upto 7.5 meter above ground level is deemed to be included in the unit rate of above item.and copper strip beyond 7.5 RM will be measured seperately. (viii). All the joints in copper strip and connection with Earth Plate to be welded through brazing and in addition by proving brass nut bolt and washer are deemed to be included in the unit rate. (viiii) Cost of brazing / welding and nut bolts are deemed to be included in the unit rate. (ix) Cost includes removal of excavated soil upto a distance of 100 mtrs.

Neetu Construction

SUMAN CONSTRUCTION

M/S Tapan Sur

Guru Charan Mahata

Ray Enterprise

NATIONAL CONSTRUCTION CO