CA NO CWE/CHM(U)-50/2020-21 PROVN OF 1.5 MVA POWER SUPPLY AND EXTERNAL SERVICES (WATER SUPPLY AND SEWAGE PIPE LINE) FOR REGIONAL NETWORK CENTRE (RNC) AT CHANDIMANDIR UNDER GE (U) CHANDIMANDIR

Amount

Excavation in trenches, n. exc. 1.5 m wide and n. exc 1.5 m in depth ,for foundation, laying of pipes, cables etc. or for shafts , wells, cesspits, manholes, pier holes, etc. n.exc. 10 Sqm on plan and n. exc. 1.5 m in depth and getting out in hard/dense soil complete all as specified and directed.

All as per item No 1 here-in-before but exc 1.5m and n.exc 3m.

All as per item No 1 here-in-before but exc 3.0m and n.exc 4.5m.

All as per item No 1 here-in-before but exc 4.5m and n.exc 6m.

Excavation over areas in hard/ dense soil, n exc1.5 m deep and getting out complete all as specified and directed.

All as per item No 5 here-in-before but depth exc. 1.5m and n.exc 3m.

All as per item No 5 here-in-before but depth exc.3.0m and n.exc 4.5m.

All as per item No 5 here-in-before but depth exc.4.5m and n.exc 6m.

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

M&L Brick work with sub class ‘B’ old size bricks of class designation 100 (min. compressive strength 100Kg/Cm2) ,straight or curved on plan. exc. 6 m mean radius built in CM 1:6 complete all as specified and directed.

All as per item No 10 here-in-before but in CM 1:4.

M&L Brick work with sub class ‘B’ old size bricks of class designation 100 (min. compressive strength 100Kg/Cm2) ,straight or curved on plan. any radius in half thick brick wall built in CM 1:4 complete all as specified and directed.

Returning, filling in, including spreading, watering and well ramming in layers n.exc. 25 cm in hard/dense soil complete all as specified and directed.

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

M&L reinforcement cement concrete (M-25 design mix) as in foundation and footings, including raft footings, foundation beams, plinth beams, bases for column etc. complete all as specified and directed.

M&L reinforced cement concrete (M-25 design mix using 20mm graded stone aggregated) as in column,pillars,piers,post and struts complete all as specified and directed.

M&L reinforced cement concrete (M-25 design mix using 20mm graded stone aggregated) as in beam, cantilevers, bressumers, lintels over 1.5m span complete all as specified.

M&L reinforced cement concrete (M-25 design mix using 20mm graded stone aggregated) in slabs, supported on walls, beams and columns in floors, roofs, landings, balconies, canoples, deck slabs and shelves and the like complete all as specified and directed.

M&L reinforced cement concrete (M-25 design mix using 20mm graded stone aggregated) as in fins, fascias, louvers, parapets and railings exc. 0.60 cm in ht newels, balusters and like complete all as specified and directed.

M&L reinforced cement concrete (M-25 design mix using 20mm graded stone aggregated) as in chajjas complete all as specified and directed.

Formwork to sides of concrete foundations, foootings, bases of columns, raft beams, sides & soffits of foundation and plinth beams & similar work with rough finished flate surfaces of concrete, complete all as specified and directed.

Form work to sides of square or rectangular pillars, post stuts and columns with rough finished flat surface complete all as specified and directed.

Formwork to sides and soffits of floor of roof beams, beam haunching, lintels, cantilevers, shelves including supports and similar slab work; with rough finished flat surfaces of concrete, complete all as specified and directed.

Form Work to soffits of suspended slabs such as roof slabs, floor slabs, landings and similar work not exceeding 200 mm thick. (horizontal or sloping) to give rough finish to flat concrete surfaces complete all as specified and directed.

Formwork to fins , louvers and fascia with rough finished flat surfaces of complete all as specified and directed.

Formwork to chullah hoods, chajjas, troughs and similar items including edges with rough finished flat surfaces of complete all as specified and directed.

M&L Mild steel TMT bars 10 mm 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 0.9 mm dia complete all as specified and directed.

All as per Item No 27 above but 6mm to 8mm dia .

M&L mild steel TMT bars 5 mm dia and over upto and including 10 mm dia. in stirrups, spacers and binders, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel complete all as specified and directed..

M&L Rendering 10mm thick in cement and sand mortar 1:6 (Internally) on brick or concrete surfaces including finished even and smooth without using extra cement complete all as specified.

M&L Rendering 15mm thick in cement and sand mortar 1:4 (Externally) mixed with water proofing compound @ 3% by weight of cement on brick or concrete surfaces including finished surfaces even and smooth without using extra cement complete all as specified and directed.

Supply only integral water proofing compound.

M&L Rendering 5 mm thick in cement and sand mortar (1:3) on concrete surfaces (ceiling) finished even and smooth without using extra cement, complete all as specified and directed.

M&L for two coats of cement base paint on walls over a priming coat including preparation of surfaces complete all as specified and directed.

Preparation of new plastered surfaces and applying two coats of oil emulsion distemper over a coat of primer complete all as specified and directed.

Preparation of new plastered surfaces and applying three coats of white wash on ceiling surfaces complete all as specified and directed.

M&L for spreading and levelling in layers in floor n exc 25 cm thick and well ramming including watering as required complete all as specified and directed.

M&L for hard core of gauge not exc 63 mm, deposited, spread and levelled in layers not exc 15 cm thick watered and rammed to a true surface of broken stone complete all as specified and directed.

M&L plain 100 mm PCC type D-2, 1:4:8 (using 40mm graded stone aggregates) as in sub base of floors including finishing the surfaces even and rough to receive the topping layer complete all as specified.

M&L PCC 1:2:4 type B1 (20 mm graded crushed stone aggs) as in coping with and including necessary form work complete all as specified and directed.

Material and labour for machine cut Kota Stone Slab flooring, etc. 20-23mm thick, best quality (minimum size 55cm x 55cm) over and including cement screed bed 20mm thick in cement mortar 1:6, laid and jointed with grey cement slurry and pointed with grey cement mixed with pigment to match the shade of the slab including rubbing and granite polishing complete all as specified and directed.

M&L for machine cut Kota Stone Slab 20-23mm thick, best quality in riser of steps, skirting, dadoand pillar laid over cement screed and jointed with grey cement slurry and pointed with grey cement mixed with pigment to match the shade of the slab including rubbing and granite polishing complete all as specified and directed.

M&L 75 mm thick and 750mm wide Cement Concrete type C-1 1:3:6(Using 20mm graded stone aggregates) as in plinth protection finished even and smooth without using extra cement complete all as specified and directed.

Supply and fixing factory made steel windows (Box type) with glazing bars, dovetailed or welded including hinges, steel handles, steel peg stays etc including one shop coat of red oxide zinc chrome primer complete all as specified and directed.

S&F mild steel framed work such as grills, grating etc with end of bars shouldered and/ or riveted or forged into spikes, framed guard bars,barred iron doors, ladders, framed balusters, walk ways, railings and similar work confirming to Fe.290.Gde-E-165 complete all as specified and directed.

S&F of joist, channel, angle, flat iron or Tee sections, fixed independently with connecting plates, etc confirming to Fe 410-W (Gde 250 quality A) complete all as specified and directed.

Supply and fixing steel rolling shutters (1 mm thickness of lath), without ball bearing, as specified including top cover, anchoring rod, hasp and staple, gear operated type with bevel gear box and crank handle including one shop coat of red oxide zinc chrome primer, erected in position as indicated complete all as specified and directed.

S&F 4 mm thick sheet glass frosted type ordinary quality and glazing with oil putty in squares not exc 0.50 sqm in each pane complete all as specified and directed.

M&L sand filling in cable duct complete all as specified and directed.

M&L duct covers fabricated from MS chequred plate , cut to size as directed, and MS angles/channels for supports etc complete incl painting with two coats of black enamelled paint over a coat of red oxide primer complete all as specified and directed.

M&L applying two coats of synthetic enamel paint on steel surface over 10 cm width or girth complete all as specified and directed.

M&L applying two coats of synthetic enamel paint on steel surface n exc 10 cm width or girth complete all as specified and directed.

M&L Rendering 15 mm thick (Average thickness) rendering on roof surface including flashings and junction of parapets etc., finished even and smooth in cement mortar (1:4), using water proofing compound as per recommended ratio, after brushing cement slurry complete all as specified and directed.

M&L for providing and lying 3mm thick APP (Aractic ) polypropylene polymer modified prefabricated five layer, weight not less that 3.6 Kg/Sqm water proofing membrane, black finished , reinforced with non-woven polyester matt make as approved, consisting of a coat of bitumen primer @ 0.40 Ltr/sqm by the same membrane manufactruer, of density 0.87 to 0.89 Kg/ltr at 25 degree celcius temperature and viscosity 70-160cps. Over the primer coat, the layer membrane shall be laid using butane torch and sealing all joints etc after preparing the surface complete as per standard practice as per manufactrer's instructions.

Demolition of brick work built in cement mortar complete all as specified and directed.

M&L PCC (1:2:4) type B1 (using 20 mm stone graded aggregate) as in PCC block, benching all as specified and directed

Material and labour for cutting into existing manholes for connecting new drains, making good to pipe and rendering, cutting out existing benching for and forming branch channel (1/2 round or ¾ section) in plain cement concrete 1:2:4 type B1 smooth finished, and reforming benching as required, internal dia of pipe 200mm all as specified and directed.

All as per serial item No. 57 here-in-before but internal dia of pipe 300mm.

M&L for reinforced concrete pipes 150mm (internal dia) , class NP2 laid and joinded complete with collar with proper slope, all as specified and directed.

All as per item No 59 here-in-before but dia of pipe is 200mm.

All as per item No 59 here-in-before but dia of pipe is 300mm.

M&L for plain cement concrete type D-2, 1:4:8 using 40mm graded crushed stone aggregate as in bed to drain pipes including packing under & haunching against the sides of pipes (150mm bore pipe) after the pipe are laid and tested complete all as specified and directed.

All as per serial item No 62 here-in-before but 200mm bore of pipe.

All as per serial item No 62 here-in-before but 300mm bore of pipe.

M&L formwork to faces of walls, retaining walls,abutments, parapets and similar work including attach pillasters , buttresses etc vertical or to bater all as specified and directed.

S&F 20mm dia MS bars cut to length, bend to shape as required as in MS rungs complete all as specified and as directed.

Use and waste of timbering as planking and strutting for excavations in trenches in soil n exc 1.50 m deep , including wales, struts, open poling boards, etc. as may be necessary and fixing and removal all as specified and directed.

All as per serial item No 67 here-in-before but exc 1.50m and n.exc 3.0 m deep.

All as per serial item No 67 here-in-before but exc 3.00m and n.exc 5.0 m deep.

Use and waste of timbering as planking and strutting for excavations in trenches in soil n exc 1.50 m deep , including wales, struts, open poling boards, etc. as may be necessary and fixing and removal in shafts, wells,cesspits, manholes and pier holes all as specified and directed.

All as per serial item No 70 here-in-before but exc 1.50m and n.exc 3.0 m deep.

All as per serial item No 70 here-in-before but exc 3.00m nexc 5.0 m deep.

Dewatering in excavation caused due to water table or any other reason by using generator driven pumps and throwing water at a distance of 50 m from trenches by using hose pipe continously to make the trenches fit for laying bed/lines etc complete all as specified & directed.

M&L for factory made RCC covers for manholes of size 600mm x 600mm x 80mm with plain faces with MS frame, including RCC frame, set in cement mortar 1:4 complete all as specified and directed.

M&L for factory made 600mm internal dia RCC circular covers 80mm thick for manholes with plain faces with MS frame, including RCC frame, set in cement mortar 1:4 complete all as specified and directed.

Demolition of cement concrete (unreinforced) of any description and in any position complete all as specified and directed.

M&L for road cutting in metalled roads any thickness and making good the disturbed surface by providing 150mm thick PCC 1:2:4 (using 20mm graded agregate) over 100mm thick hard core complete all as specified & directed. Note :- Excavation and earth work shall be measured and paid for separately.

M&L for point wiring with PVC insulated unsheathed FRLSH 1100 volts grade single core muti stranded copper conductor cables of size 1.5 sqmm for phase & neutral in and including concealed PVC conduits, sheet steel sunken boxes1.2mm thickness covered inculding with 3mm thick plastic laminated sheet for mounting switches, scockets, regulator etc and including 1.5 Sqmm copper conductor PVC insulated and unsheathed multi stranded green cable as earth wire for one light point/fan point / buzzer point controlled by one switch complete all as specified and directed. (unit rate quoted including cutting chases wall/floor/pcc and making good the disturbed surface to match with the original. Nothing extra shall be paid on this account)

All as per item No 78 above but for one socket outlet 3 pin 15 Amps on independent board using cable of size 2.5 Sqmm for phase & neutral and 2.5 Sqmm as earth wire.

S&F switch piano flush type, single pole, 230 volt one way , 5 Amps complete all as specified and directed.

S&F switch piano flush type, single pole, 230 volt one way , 15 Amps complete all as specified and directed.

S&F Socket out let 2 in 1, 5/15 Amps, ISI marked, 230 Volts complete all as specified and directed.

S&F Ceiling rose 6 Amps three terminals complete all as specified and directed.

S&F LED CRCA batten with decorative end cap complete with and incl retrofit polycarbonate/glass tube 20 watt capacity 4 feet long & white light and incl connections from ceiling rose complete all as specified and directed.

Supply and fix MCB DB, with provision for incoming 2 pole (MCB / Isolator ) and single phase outgoing, suitable for surface and flush mounting, IP 43 protection, double door of metal 8 way complete all as specified and directed.

S&F MCB SPN 40 Amps 240 Volts having braking capacity 10 KA "C" characterstic complete all as specified and directed.

S&F MCB SP 6 to 32 Amps 240 Volts having braking capacity 10 KA "C" characterstic complete all as specified and directed.

S&F exhaust fan 480 mm sweep complete with lovers complete all as specified and directed.

M&L for earthing complete with galvanized steel earth plate electrode size 600x600x6.0mm thick buried directly in ground vertically in a pit of depth not less than 2.25 mtr below ground levels with top edge of the earth plate not less than 1.5 mtr below normal ground level surrounded from all sides by mixture of charcoal and common salt and electrode connected to and including galvanized earth lead 4.0mm dia by means of bolts, nuts, check nuts and washers of galvanized including GI protection pipe light grade 15mm bore connected to main earth wire on pole light grade 15mm bore connected to main earth wire on poleor control board or main switch and GI pipe medium grade 20mm bore for watering funnel with wire mesh. CI cover with frame, PCC chamber pit with PCC 1:2:4 type B-1 20 mm graded stone aggregate excavation and earth work all as shown in electrical plate No 3 of MES Schedule part I of 2009 connected to earthing test point indicaed including testing on completion all specified & as directed. Note:- The unit rate including for protection pipe and GI earth wire 4.00 mm dia from top to earth plate up to 7.5 meter.

Supply and laying of pipe galvanised iron medium grade 80 mm dia bore complete including fittings complete all as specified and directed.

Supply and laying of pipe galvanised iron medium grade 20 mm dia bore complete including fittings complete all as specified and directed.

S&F sluice valve, flanged class 1.6 PN, 80 mm dia complete all as specified and directed.

S&F Gun metal gate valve 20 mm dia complete all as specified and directed.

M&L for valve chamber brick masonary complete with mild steel sheet cover 3 mm thick and angle iron frame of size 50x50x6mm duly painted with two coats paints over a coat of red oxide primer including locking arrengment and lifting handle all as specified and directed for pit of size1200x1200x1200 mm.complete all as specified and directed.

M&L cast iron fitting for Bends( any type,radius and angle) tapers any type ( straight, bend,increasing, decreasing or double socket etc) 'Y' junction ,double branch,cross(all sockets and spigot) collers,caps and plug complete all as specified and directed.

M&L joints for run lead joint dia 150 mm all as specified and directed.

M&L for jointing any type of pipe including fittings dia 150 mm with rubber or fibre board gasket including bolts, nuts,washers etc. complete all as specified and directed.

M&L for jointing any type of pipe including fittings dia 80 mm with rubber or fibre board gasket including bolts, nuts,washers etc. complete all as specified and directed

M&L cutting CI/DI pipes and reducing to required length laying pipes in position for insertion of new Tees, branches etc. complete all as specified and directed.

S&F ball brass valves, hgh pressure with polythene float and flynut complete ,screwed for iron pipe or brass ferrule and fixed of size 20mm dia all as specified and directed.

Supply and filling clean dry sand (unwashed) in trenches under and around the cable for cushioning complete all as specified and directed.

Supplying and laying un-reinforced precast concrete cable cover, class HV, type 1 flat , size 300mm x 180mm x 40mm complete all as specified and directed.

M&L GI tubes 100 mm bore light grade for cable protection on poles/walls/under road/culvert etc complete all as specified and directed.

Supply, laying, connecting and testing in trenches/ducts/fixing along the poles/ passing through pipe/ laid under floors XLPE insulated , screened PVC bedded, galvanised steel strip armoured, heavy duty HT power cables ISI marked with aluminium conductor, 11000 volts grade, cross sectional area 185 sqmm 3 core, 11 KV earthed, complete all as specified and directed.

Supply, laying, connecting and testing in trenches/ducts/fixing along the poles/ passing through pipe/ laid under floors XLPE insulated , screened PVC bedded, galvanised steel strip armoured, heavy duty HT power cables ISI marked with aluminium conductor, 11000 volts grade, cross sectional area 240 sqmm 3 core, 11 KV earthed, complete all as specified & directed.

Supply , install, testing and commissioning of indoor type vacuum circuit breaker independent Panel as incoming CUM Outgoing with posibility of future extension at one side,capacity 11 KV, 630 Amp, 3 Phase, 3 wire, 50 Hz, having a rupturing capacity of 350 MVA at 11 KV , 25 KA breaking capacity for 3 sec, Internal arc type tested for 25KA for 1 sec with AFLR clasification, totally enclosed with extended bus bar of 800 Amps for each phase, floor mounting, metal clad, Indoor extensible type , flush front, Horizontal isolation, Horizontal drawout type with Electrical and Mechanical interlock and automatic safety shutter gear including padlocking arrangement, isolation plugs, assambly of 3 vaccum interrupters (Should be VCB manufacturer's own make) , with each pole individually encapsulated by epoxy insulations and self - aligning finger type isolating contacts, truck having integral racking with necessary interlocks (for insertion and removing of VCB), manual

and automatic motor charged independent closing/ tripping spring , trip free operating mechanism with closing and tripping push buttons and mechanical breaker ,interconnected with OEM's own factory made (system house not allowed), Full voltage sleeve (PVC sleeve not accepted) insulated electrolytic copper bus bar of 800 Amps ,including Power pack of 42 AH battery back up system & all protection, indication, Operation, monitoring and control and accessories as per the specification. Resin Cast Wound type CT Ratio : 100-50A/ 5-5 A, Core1: 5P20, 10 VA; Core 2: 0.5, 7.5 VA and VT Ratio: 11KV/1.732/110V/1.732/110V/1.732, -Core 1: 1.0, 100VA -Core 2: 3P, 100VA.

Supply , install, testing and commissioning of indoor type vacuum circuit breaker independent Panel as INCOMER of 3 panel Switchboard (1 incomer & 2 Outgoings) with posibility of future extension at one side,capacity 11 KV, 800 Amp, 3 Phase, 3 wire, 50 Hz, having a rupturing capacity of 350 MVA at 11 KV , 25 KA breaking capacity for 3 sec, Internal arc type tested for 25KA for 1 sec with AFLR clasification, totally enclosed with extended bus bar of 800 Amps for each phase, floor mounting, metal clad, Indoor extensible type , flush front, Horizontal isolation, Horizontal drawout type with Electrical and Mechanical interlock and automatic safety shutter gear including padlocking arrangement, isolation plugs, assambly of 3 vaccum interrupters (Should be VCB manufacturer's own make) , with each pole individually encapsulated by epoxy insulations and self - aligning finger type isolating contacts, truck having integral

racking with necessary interlocks (for insertion and removing of VCB), manual and automatic motor charged independent closing/ tripping spring , trip free operating mechanism with closing and tripping push buttons and mechanical breaker ,interconnected with OEM's own factory made (system house not allowed), Full voltage sleeve (PVC sleeve not accepted) insulated electrolytic copper bus bar of 800 Amps ,including Power pack of 42 AH battery back up system & all protection, indication, Operation, monitoring and control and accessories as per the specification for each VCB. Resin Cast Wound type CT Ratio : 200-100A/ 5-5 A, Core1: 5P20, 10 VA; Core 2: 0.5, 7.5 VA for incoming and 01 No outgoing VCB and 100-50A/5-5A core 1-5P10, 10VA, core 2-0.5, 7.5 VA for - 01 No outgoing VCB. VT Ratio: 11KV/1.732/110V/1.732/110V/1.732, -Core 1: 1.0, 100VA for incoming and 01 No outgoing VCB-Core 2: 3P, 100VA IEC 61850 , HSR-PRP complient Numerical relay having protections of 50,51, 50N,51N, 67RYBN, 50LBB, 27, 59 etc for each VCB.

M&L chequered rubber mat for electrical purpose ISI marked of size 1 mtr X 2 mtr and 19 mm thickness complete all as specified and as directed.

Earthing complete with galvanised steel earth plate electrode 60x60cmx6 mm thick burried directly in ground ( earth pit not less than 2.25 Mtr deep below ground level ) with top edge of the plate not less than 1.5 Mtr below normal ground level, connected to galvanised earth lead strip 32x6mm dia by means of bolts, nuts, check nuts and washers of GI or steel all as shown in electrical plate No. 3 of SSR Part-I 2009 connected to earthing test point panel all as specified or indicated and testing on completion as directed by the Engineer-in-Charge including necessary excavation & earth work in any type of soil, funnel, PCC chamber (1 : 3 : 6) type C1, CI pit cover and frame , charcol, salt including earth lead protected by 40 mm dia medium grade GI pipe and 20mm dia medium grade GI Pipe for watering complete. Note :- Earth lead strip 32 x 6 mm and GI 40 mm dia protecion pipe upto 7.5 mtr length will be deemed to include in the unit rate quoted.

Supply and fix cable jointing kit for 11 KV grade cable for indoor termination, heat shrinkable type, joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Al conductor cable of size 185 sqmm complete all as specified and directed.

Supply and fix cable jointing kit for 11 KV grade cable for indoor termination, heat shrinkable type, joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Al conductor cable of size 240 sqmm complete all as specified and directed.

Disconnecting from HT VCB , taking out the existing HT cable of size 240 sqmm 3 core from trenches/ducts etc , relaying as directed , making all connections complete all as specified and dirceted.

Bhawani Builders