Balance Civil work for Construction of 132 kV GSS Jaswantpura

Amount

Supply of all labour, material for construction of RCC footings and pedestals of any section/size including the cost of excavation in all types of soil/rock, back filling with available approved earth or borrowed/new earth, disposal of surplus earth/rock to the places directed, concrete (RCC M20 Grade and Lean concrete 1:4:8), reinforcement steel,form work ,grouting , underpinning, foundation strengthening in expansive / B.C soil ,dewatering if required, curing, sundries including mechanism, MK, UPVC pipe etc required for proper operation of equipments and transformer and other items not mentioned herein but required for the completion of the work for the following station towers and equipments support structures including finishing with12 mm thick plaster in CM 1:4 and applying two coats of white/somke grey weather proof painting coat on all exposed surface (top and sides) of foundations as per technical specification, approved drawings and directions of the Engineer- in-charge of work. Note: Top level of foundation shall be decided by the owner. Work shall be got executed as per approved drawing with minimum depth of excavation as 600 mm from Natural Ground Level. Extra depth if any shall be filled with PCC 1:4:8. Any extra cost on account of minimum depth criteria shall deemed to be included in quoted rates.

Lignting Mast 20 m Height

132kV tower type BT1

132kV tower type BT4

132kV tower type BT6

132kV tower type BT7

132 kV CTsupport structures (AO5)

132 kV CVT support structures (AO5)

132 kV LA support structures (AO5)

132 kV Isolator (BO1)

PI Structure

33 kV structure Y type with stub

33 kV structure Z type

33 kV CT/PT structure

33 kV structure X-15 type

For 145 kV SF6 Circuit Breaker

For 36 kV Vacuum Circuit Breaker

Isolator handle mechanism

FOUNDATION FOR 20/25 MVA, 132/33 kV TRANSFORMER including all associated works, rail tracks , jacking pads, anchor block, RCC, PCC, Misc. Structural Steel including M.S. grating, gravel filling, supports system and other items not mentioned herein but required for the completion of work as per technical specification and approved drawings. Note: Top level of foundation shall be decided by the owner. Work shall be got executed as per approved drawing with minimum depth of excavation as 600 mm from Natural Ground Level. Extra depth if any shall be filled with PCC 1:4:8. Any extra cost on account of minimum depth criteria shall deemed to be included in quoted rates.

Nitrogen injection fire prevention and extinguishing system for 20/25 MVA transformer as per technical specification

FOUNDATION FOR 33/0.415 kV, 250 kVA, LT three phase station transformer

Construction of cable trenches of required size and depths with stone masonry/brick masonry walls, precast ferro cement covers, water stops, stone/brick (fly ash bricks) including the supply of labour, material, cement, reinforcement steel, steel angles, flats for cable racks with holes for fixing battens and providing P.C.C.(1:4:8) below cable trenches, 20 mm thick cement plaster 1:6 inside completly and out side minimum 300 mm depth, 40mm thick CC flooring 1:2:4 with glass strips in joints and 150 mm thick RCC M20 band on top of masonry with supply and fixing Ferro-cement covers light duty from outer to outer width of cable trench, designed for class 'B' loading with adequate steel reinforcement of required thickness, M S Plate rim, lifting hook, additive and admixtures like plasticizer , shrinkage resistance compound, abrasion resistant, Suitable size angle shall be provided at the corner and junctions of trench for support of covers. 100 mm dia UPVC shall also be provided at 3000 mm c/c on both side of cable trench wall so to entrap the rainy water. a gentle slope of 1 in 500 shall be provided in the flooring till disposal point as per technical specification and approved drawings. (payment shall be made as per actual length). Note:1.Top level of trench shall be decided by the owner, Work shall be got executed as per approved drawing with minimum depth of excavation as 600 mm from Natural Ground Level. Extra depth if any on account of diffrence in level or slope shall be attained by stone/brick masonry. Any extra cost on account of minimum depth criteria shall deemed to be included in quoted rates. Type A Cable trench

Construction of cable trenches of required size and depths with stone masonry/brick masonry walls, precast ferro cement covers, water stops, stone/brick (fly ash bricks) including the supply of labour, material, cement, reinforcement steel, steel angles, flats for cable racks with holes for fixing battens and providing P.C.C.(1:4:8) below cable trenches, 20 mm thick cement plaster 1:6 inside completly and out side minimum 300 mm depth, 40mm thick CC flooring 1:2:4 with glass strips in joints and 150 mm thick RCC M20 band on top of masonry with supply and fixing Ferro-cement covers light duty from outer to outer width of cable trench, designed for class 'B' loading with adequate steel reinforcement of required thickness, M S Plate rim, lifting hook, additive and admixtures like plasticizer , shrinkage resistance compound, abrasion resistant, Suitable size angle shall be provided at the corner and junctions of trench for support of covers. 100 mm dia UPVC shall also be provided at 3000 mm c/c on both side of cable trench wall so to entrap the rainy water. a gentle slope of 1 in 500 shall be provided in the flooring till disposal point as per technical specification and approved drawings. (payment shall be made as per actual length). Type C Cable trench Note:1.Top level of trench shall be decided by the owner, Work shall be got executed as per approved drawing with minimum depth of excavation as 600 mm from Natural Ground Level. Extra depth if any on account of diffrence in level or slope shall be attained by stone/brick masonry. Any extra cost on account of minimum depth criteria shall deemed to be included in quoted rates.

Construction of RCC sump having capacity 10000 Liters with provision of automatic dewatering mud pump with disposal arrangement upto outside RVPN premises as directed by Engineeer In-charge with provision of a stand by pump.

Construction of cable trenches crossing in Road of required depths with stone/brick (fly ash bricks) including the supply of labour, material, cement, reinforcement steel, steel angles, flats for cable racks with holes for fixing battens and providing P.C.C.(1:4:8) below cable trenches, 20 mm thick cement plaster 1:6 inside complete , 40mm thick CC flooring 1:2:4 with glass strips in joints and 450 mm thick RCC M20 band on top of masonry with provision of 150 mm thick RCC paitam on both side with supply and fixing reinforced Ferro-cement heavy duty covers in required size , suitable for class 'AA loading ,having thickness75 mm to 150 mm with anticorosive bitumen painted M S Plate rim, lifting hook, additvive and admixures like plasticizer , shrinkage resistance compound, abrasion resistant, as per approved drawings, specification and direction of engineer incharge Road crossing for 'A' type cable trenches Note 1. Masonry section at road crossing should be capble to cater 'AA' class loading and additional cost on account of thicker wall section is deemed to be included in quoted rates.

Construction of cable trenches crossing in Road of required depths with stone/brick (fly ash bricks) including the supply of labour, material, cement, reinforcement steel, steel angles, flats for cable racks with holes for fixing battens and providing P.C.C.(1:4:8) below cable trenches, 20 mm thick cement plaster 1:6 inside complete , 40mm thick CC flooring 1:2:4 with glass strips in joints and 450 mm thick RCC M20 band on top of masonry with provision of 150 mm thick RCC paitam on both side with supply and fixing reinforced Ferro-cement heavy duty covers in required size , suitable for class 'AA loading ,having thickness75 mm to 150 mm with anticorosive bitumen painted M S Plate rim, lifting hook, additvive and admixures like plasticizer , shrinkage resistance compound, abrasion resistant, as per approved drawings, specification and direction of engineer incharge Road crossing for 'A' type cable trenches Note 1. Masonry section at road crossing should be capble to cater 'AA' class loading and additional cost on account of thicker wall section is deemed to be included in quoted rates.

Grading of yard to attain the required finished ground level by means of Earth work in cutting /filling in all type of soil/rock including disposal of surplus excavated unuseful soil /rock or filling the ground with approved non-cohessive soil with compation in layers so as to attain proctor density 90% with all lead lift & cost of soil. At level difference, stone /brick masonry walls of required section shall be provided with coping plaster, painting & weep holes shall deemed to be inclueded in quoted rate of this item.

Providing and laying 60 mm thick M 30 interlocking tile Category A Denated units to key into each otheron four faces zig zag shape as per IRC SP 63:2004specification.

Providing and laying 100mm thick layer of granite/basalt/trap jelly(gravel) of 40mm single size. Gravel (jelly) shall be spread over the entire switchyard area as per drawing and directions of engineer incharge of the work. The whole switchyard area (excluding buildings pathway road, drainages, cable trenches, equipments/ structures plinths etc.) shall be covered with jelly spreading. The jelly used shall be free from dirt, organic materials and flakes.

Construction of unreinforced, dowel jointed plain cement cocrete pavement in 150 mm thickness over and including subbase of 150 mm thick quarrry rubbish and 100 thick PCC 1:4:8 with M 30 grade cement concrete laid in approved side form work(steel channels , laying and fixing 125 micron thick polythene film wedged, steel plates including leveling the form work as per drawing, spreading using shovels, rakes, compacted using niddle, plate and screed vibrator finished in continuous operation including provision of expansion and contraction and construction joint, applying debonding strips, primer, sealant, dowel bars at expansion & construction joints only, curing etc complete including dewatering process with all equipments. work also includes provding and fixing precast cement concrete solid blocks on outer edges of both side shoulder of size 60x(20+25)/2x30 cms (l, b, h) jointed with CM 1:4, made from precast M-20 concrete and laid over 100 mm thick base of PCC 1:4:8 including necessary curing etc. complete. The concrete block top shall be 100 mm above road top, with provision of suitable openings for drainage of rain water. The exposed surface of concrete blocks shall be applied with two coat of enamel paint, painted black and yellow alternately, and Providing and laying 60 mm thick M 30 interlocking tile Category A Denated units to key into each other on four faces zig zag shape over 100 mm and PCC 1:4:8, complete as per IRC SP 63:2004 specification on shoulders as per approved drawing, specification and direction of engineer incharge. (payment shall be made as per actual length) a) 4.0 Mtr. Wide Road with shoulders of 1.0 m on both side of CC road

Construction of unreinforced, dowel jointed plain cement cocrete pavement in 150 mm thickness over and including subbase of 150 mm thick quarrry rubbish and 100 thick PCC 1:4:8 with M 30 grade cement concrete laid in approved side form work(steel channels , laying and fixing 125 micron thick polythene film wedged, steel plates including leveling the form work as per drawing, spreading using shovels, rakes, compacted using niddle, plate and screed vibrator finished in continuous operation including provision of expansion and contraction and construction joint, applying debonding strips, primer, sealant, dowel bars at expansion & construction joints only, curing etc complete including dewatering process with all equipments. work also includes provding and fixing precast cement concrete solid blocks on outer edges of both side shoulder of size 60x(20+25)/2x30 cms (l, b, h) jointed with CM 1:4, made from precast M-20 concrete and laid over 100 mm thick base of PCC 1:4:8 including necessary curing etc. complete. The concrete block top shall be 100 mm above road top, with provision of suitable openings for drainage of rain water. The exposed surface of concrete blocks shall be applied with two coat of enamel paint, painted black and yellow alternately, and Providing and laying 60 mm thick M 30 interlocking tile Category A Denated units to key into each other on four faces zig zag shape over 100 mm and PCC 1:4:8, complete as per IRC SP 63:2004 specification on shoulders as per approved drawing, specification and direction of engineer incharge. (payment shall be made as per actual length) b) 3.0 Mtr. Wide Road. with shoulders of 0.50 m on both side of CC road

Construction of control room building as per drawing and specification including internal electricafication, 15 lit storage geyser earthing, sanitary system including septic tank, soakage pit and rain water harvesting system as per drawing approved by owner/GWD etc., water supply system including making connection with distribution system, false ceiling (In Hall and PLCC room) fans,water cooler of cooling capacity 80 lit/hour and storage capacity of 12 lit, RO system withpurification capacity of 25 lit/hour and duty cycle of 170-250 lit/day with PVC tank of 200 lit capacity, internal cable trenches covered with 6 mm thick MS chequred plates, plinth protection works with chequred tiles etc. (plinth area approximately 480 sqm, with out roof projections, plinth protection and porch )

WATER SUPPLY :-Supply and installation of water supply system with construction of GLR, subersible cable, pump room with pump and one stand bye pump for the sub-station, required electrifcations cables from control room and panels, providing and laying GI pipe line from from GLR to control room, yard, guard room, for plantation etc including making connection , landscaping & plantation as per specification approved drawings and directions of engineer incharge

Construction of internal fencing with welded mesh of size 25x25x2.1mm of 1.5m height framed in angle iron box of 40x40x5 placed at every 3000 mm, top and bottom angle section of 40x40x5, 5 rows of barbed wire in 600 mm height or railing in length near control rrom in 600 mm height above fencing, MS flat of size 40x5 mm shall also be welded along the edges of panels of welded mesh and in center of each panel. Bottom masonry wall of 380mm width in height of 450 mm above finished ground level and 50 mm thick precasr CC1:2:4 coping, plastering etc complete. Box of angle shall be grouted in CC M20 in stone masonry in a depth of 450 mm, with gate/wicket gate 5.0m/1.2 m wide 2.40 m height made from MS pipe of 50 mm dia, MS hold fast hinges and MS channes box fabricated out of 100x50x5 mm channels duly embeded in RCC columns, with RCC M2O pillars of size .06mx0.6 m and 2.70 m height on gate sides including enamel paint on gates and weateher proof paint on plastered surface as per approved specifications and drawings and directions of engineer incharge. Gate shall be provided with gate light, required wiring, fixtures and other required accessories.. Note: Gate and gate pillar shall be measured along with running meter length of fencing for paymnets at the quoted rates.

Providing and fixing cow catcher made of R.S. joist angles, channels MS round bars, MS flats etc including cutting welding and fabrication with priming coat of red oxide (as per design). The work includes construction of RR stone masonry wall of required section up to 90 cm below cow catcher, RCC bed plate of 20 cm thickness,cement plaster, PCC 1:4::8 in 15 cm thickness etc. complete as per approved design and specification. length of cow catcher should cover the entry gate and wicket gate with pillars

Providing, Laying & Jointing R.C.C. class NP-2 Non-Pressure pipes (IS : 458mark) of approved make with collars, jointed with C.M. 1:2 or having Spigot and socket ends with flexible rubber rings joint including testing of joints etc. complete for 300 mm dia internal dia pipe including Providing and laying cement concrete 1:5:10 (1 cement : 5 coarse sand : 10 graded stone aggregate 40mm nominal size) upto haunches of S.W. pipes including bed concrete as per standard design and Excavating trenches of required width for pipes cables etc. including excavation for sockets, depth up to required depth including taking out the excavated materials, refilling the soil as required in layers not exceeding 20cm in depth including consolidating each deposited layers by ramming, watering etc., stacking serviceable material for measurements and disposal of unserviceable material as directed, with all lead and lifts in all types of soil, rocks etc complete in all respect.

Arvind Pania

Hariom Construction Company