Directorate Of Construction Services And Estate Management Tender
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Directorate Of Construction Services And Estate Management - DCSEM Tender
Electrical and Electronics
Electrical Works
Eprocure
Opening Date30 Aug 2024
Closing Date8 Oct 2024
Tender Amount₹ 6,45,35,000
Costs
EMD
₹ 12,90,700Document Cost
Refer DocumentsTender Fee
Refer Documents
Description
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Contact
Tender Id
2024_DCSEM_823580_1Bid Award Id
ViewTender No
DCSEM/CQD/QSC/VECC-KOL/ Aug-SS/24-25/ NIT-21, Dt.28/08/2024Tender Authority
Directorate Of Construction Services And Estate Management ViewPurchaser Address
-Website
http://eprocure.gov.in
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Documents
BOQ Items
36 KV Outdoor Vacuum Circuit Breaker
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Design, manufacture, testing at manufacturers works, supply, assembling, installation, precommissioning testing at site and commissioning of 36 kV, 1600 A, 25 kA, 3 pole, porcelain clad outdoor vaccum circuit breaker with breaker mounting GI structure & spring charged operating mechanism (electrical / manual spring charging) with operational counter, ON / OFF indicator, manual push to trip device etc. in weather proof machanism housing tested for IP-55, complete with necessary fuses, control switches, auxiliary switches and ancillary equipment. The circuit breaker shall be suitable for operation from both remote and local positions, as well as manually for closing and tripping. The closing and tripping coil should be rated for 30 V DC supply. The HT bushings should be suitable to receive 33 kV grade I.P.S.-1-1/2 inch dia INDAL make D-50 SWP aluminium bus bar. Notes:
1) The Control & Relay Panels for above breakers shall be measured separately under item No.11 of this section.
2) Routine tests on breaker shall be performed in presence of departmental engineers as per relevant IS/BS/IE specifications at manufacturers works. Type test certificate as indicated in the specification shall be submitted before commencement of routine test of panels
3) Proper labels and ferrule numbers should be affixed alongside various components and control wire, concurrence of dept. engineers shall be obtained on location, qty etc
4) Tenderer is advised to seek guidance of supplier of 36 kV outdoor vaccum circuit breaker for installation, testing & commissioning
5) All the specifications should be as per technical details mentioned in Technical specifications of Technical bid.
1
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Current Transformer
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Design, fabrication, testing at factory, supply, installation, testing & commissioning at site of outdoor pole mounting type, oil immersed, single pole, Live Tank, Current transformer, of dual core, 40/1/1 A ratio (Protection core- class 5P10 & Metering core- class 1.0), each core 15 VA, suitable for system voltage of 33 KV, 3 phase, 50 Hz with HT bushings suitable to receive 33 kV grade I.P.S.-1-1/2 inch dia INDAL make D-50 SWP aluminium bus bar complete as required, as per specifications and instructions of E-I-C.
3
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Potential Transformer
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Design, fabrication, testing at factory, supply, installation testing & comissioning Outdoor mounting type, oil immersed, single pole, Potential Transformer (33kV/√3)/(110V/√3), 100VA, Class 1.0 suitable for system voltage of 33kV with HT bushing suitable to receive overhead, ACSR Panther conductor/ 33 kV grade I.P.S.-1-1/2 inch dia INDAL make D-50 SWP aluminium bus bar complete as required, as per specifications and instructions of E-I-C.
3
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33 kV Isolator
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Supply, installation, testing & commissioning of 33 kV, 3 phase 800 A, 25 kA withstand capacity, motor operated Double Break Centre Rotating type Isolator with earth switch, horizontal mounting on existing GI structure, motor operating mechanism (operating voltage: 230V)housing made of powder coated MS CRCA box having IP 55 ingress protection & comprising of motor coupled with reduction worm gear, local/remote control facility etc., down rods levers, operating handle and other accessories with locking arrangement with padlock, as per enclosed detailed specification and drawing as per instructions of Engineer-in-charge.
Note:
(i) Mechanical interlock (Castell type) & Electrical interlock shall be provided between Isolators & Outdoor VCBs.
(ii) Manual operation is included in the scope of item.
14
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Isolator Operating Console : Design, fabrication, testing at factory, supply, installation, testing and commissioning of operating console for outdoor motor operated isolator's, fabricated of 2 mm thick MS CRCA sheet, IP 42, powder coated etc. & comprising of following:
a) Remote ON / OFF push buttons - 14 sets
b) Remote ON / OFF indication lamps - 14 sets
In addition to above, standard accessories, MCB's for power distribution to motor operating mechanism of solators & console supply, wiring etc. required for operation of Panel shall be included in scope of work.
1
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Post Insulators
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Supply, installation, testing & commissioning of 33 kV porcelain post insulators complete with all accessories as per enclosed detailed specification & drawings, as per instructions of E.I.C .
22
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"PG" Clamps & "T" Clamps
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Supply & installation of P.G. Clamps & T clamps of Aluminium Alloy for aluminum to aluminum / copper (Bimetallic clamps) connections of various components as per specifications, drawings & as per instructions of Engineer-in-charge.
200
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Bus-bar / jumper connections:
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Supply, installation of ACSR Panther (212.1 sq. mm.) conductor for interconnectins of various equipments including supply & fixing of binding wire if required & as per instructions of E.I.C
75
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Supply, installation of copper flexible braid for interconnectins of various equipments as per instructions of E.I.C
225
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Supply, installation of Aluminium pipe for high bus I.P.S. INDAL make D-50 SWP type all as per specifications, drawings and instructions of E.I.C.
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2" pipe
250
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1.5" pipe
300
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Control & Relay Panel : Design, fabrication, testing at factory, supply, installation, testing and commissioning of floor mounted control & relay panel for outdoor VCB's, fabricated of 2 mm thick MS CRCA sheet, IP 42, powder coated etc. & comprising of following: Note: The control & relay panel shall be from the same manufacturer of Vacuum circuit breaker quoted in the tender.
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C/R Panel shall comprise of the following:
a. 3 pole overcurrent (O/C)+ instantaneous O/C + Earth fault (E/F) IDMT
relay + Restricted Earth Fault Relay- 1 set
b. Master trip relay - 1 No.
c. Trip circuit supervision relay - 1 No.
d. 3 element Voltage operated auxiliary relay for trafo faults - 3 Nos
e. 12 window annunciation panel - 1 No.
f. Hooter - 1 No.
g. Ammeter with ammeter selector switch- 1 No.
h. Voltmeter with voltmeter selector switch - 1No.
i. Trip/Neutral/close (TNC) switch - 1 No.
j. Indication lamps - 1 lot
k. local / remote switch - 1No.
l. space heater - 1 No.
m. Panel illumination lamp - 1 No.
n. Multifunction meter, Accuracy class: 0.2S with 2 Ethernet ports and RS485 port having protocol support of Modbus RTU and Modbus TCP/IP - 1 No.
Note: All the above relays shall be static type and suitable for 30 V DC supply.
In addition to above, standard accessories, MCB's for power supply to motor operating mechanism & panel power supply, wiring etc. required for operation of Panel shall be included in scope of work
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Bus Duct:
Supply, Installation, Testing & Commissioning of readymade LT compact sandwich bus duct 3200A, 415 V, 50 Hz, Three Phase & Neutral, totally enclosed with degree of protection not less than IP 65 for outdoor & IP 55 for indoor mounting (with canopy / protective cover (cowl) as required as per manufacturer's standard), made out of 1.5 mm thick GI sheet steel clad, with insulated Aluminium bus bars (TP & N with 100% neutral) having symetrical short circuit rating minimum 50 kA at 415 V, complete with following components / accessories inclusive of monobloc joints, horizontal expansion units at every 40 m as required, wall crossing fire barrier units, flexible bellow as required, including suitable supporting / fixing arrangement as per manufacturer's standard by suspension bracket / MS rod hangers / MS angle / MS channel etc. for horizontal / vertical supports for indoor / outdoor installation as required & as per instructions of EIC and as per Technical Specification. External earthing (duplicate) with GI strip to be provided. Any component / feature etc. not specifically mentioned but which are required functionally & for safety of system shall be included in scope of work without extra financial implication.
Notes: 1. Elbow, flange end unit, expansion joint, adopter box, Copper braided flexible jumper and G I earth strip shall be measured separately against respective items,which shall include material and fabrication cost. The same shall not be measured in straight length feeder. 2. Bus duct will be laid on existing M S support structure with suitable modifications as per requirement to match with the manufacturers standard and shall be measured under item No: 18.5. 3. Design of the final support structure after necessary modification shall be approved from the Department. 4. The scope includes providing straight length, flange end unit, Elbows, expansion joint, adoptor box, copper braided flexible jumper and G I earth strip. As per site requirement it should match with Panel end/Transformer end/existing bus duct end dimensions.
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Straight Length - Feeder - IP-65 (Outdoor)
265
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Straight Length - Feeder - IP-55 (Indoor)
50
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Flange end unit Transformer (Outdoor)
5
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Flange end unit Panel (Indoor)
5
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Elbow 90 degree- IP65 (Outdoor)
20
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Elbow 90 degree- IP55 (INDOOR)
9
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Expansion Joint- IP65 (Outdoor)
4
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Adaptor Box for Trasformer/ Panel end / existing Bus duct junction box end
10
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Copper braided flexible jumper for Transformer and Main MV Panel end connection.
10
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GI Earthing strip- 50 X 6mm
680
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HT Cable, End Joint & HT Straight Through Cable Joints :
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Supply, Installation, Testing & Commissioning of following voltage grade Aluminium stranded circular core conductor with semi conductor shielding, XLPE insulation with semi conductor sheilding & copper tape screening, PVC (ST-2) extruded inner sheath, G.I strip/ wire armoured, anti rodent & anti termite, FRLS PVC (ST-2) outer sheathed cable conforming to IS 7098 (Part-II) with latest amendments, laid in ground /in existing hume pipes/ on wall / in cable trench/on existing cable tray etc. as required ,as per technical specifications and as per instructions of EIC.
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33kV(E), 3Cx300 sqmm FRLS XLPE Aluminium cable
15
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Supply,installation and termination for following voltage grade Aluminium conductor armoured XLPE insulated cable including heat shrinkable outdoor jointing kit complete with tinned copper lugs,all accessories and materials required to make complete joint as required and as per technical specification & as per instruction of EIC.
Note: HI-pot testing & commissioning of joint is included in the scope of this item.
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33kV (E), 3Cx300 Sq.mm XLPE Al conductor cable
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Supply,installation, testing & commissioning of straight through joint for following voltage grade Aluminium conductor armoured XLPE insulated cable including heat shrinkable jointing kit complete with tinned copper ferrules,all accessories and materials required to make complete joint as required and as per technical specification & as per instruction of EIC.
Note: HI-pot testing & commissioning of joint is included in the scope of this item
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33kV (E), 3Cx 300 Sq.mm XLPE Al conductor cable
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Control Cables: Supply, installation, testing & commissioning of 1.1 kV grade multi-core, multi-stranded copper conductor with PVC/XLPE insulation, inner sheath extruded PVC, G.I. wire/flat strip armoured, outer sheath anti rodent and anti termite extruded black FRLS grade PVC type ST-2 cable conforming to IS: 1554 (Part I) / IS: 7098 (Part-I) with latest amendments, fixed on wall/ column/ slab/ beam/ trench/ shaft/ pit/ pre-fabricated cable trays/false ceiling on 5 mm thick M.S. flat /GI spacer/MS angle support fixed with coach screws / grouted in wall/anchor fasteners, 2 mm thick G.I. fabricated saddle, all fixing accessories etc. complete including painting of M.S spacers/angles and saddles or in existing hume pipe/GI pipe or in ground at depth of 900 mm below ground level in all types of soil /concrete road cutting /foot path cutting including excavation, sand bedding, laying of baked bricks on side & top, temporary reinstatement, back filling, dewatering, consolidation, disposal of excess earth within the radius of 500 m and making good to the original finish etc. providing brass cable number tag as per detailed specifications, drawings & as per instructions of the E-I-C & of the following sizes. Note: (i) Sealing of hume pipe with wooden bushes, after cable laying shall be included in the scope of work.
(ii) End jointing with double compression gland and tinned copper lugs is included in the scope of above item.
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4 C x 2.5 sq. mm. copper conductor PVC/XLPE control cable
2000
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4 C x 4 sq. mm. copper conductor PVC/XLPE control cable
4500
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4 C x 6 sq. mm. copper conductor PVC/XLPE control cable
1200
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6 C x 4 sq. mm. copper conductor PVC/XLPE control cable
2500
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12 C x 2.5 sq. mm. copper conductor PVC/XLPE control cable
1400
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19 C x 2.5 sq. mm. copper conductor PVC/XLPE control cable
1400
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Cable marker: Supply & Installation of oval/circular shaped G.I cable marker engraved as "LT/HT Cable / HT straight through joint" complete with 32 mm dia. NB medium class G.I. pipe support as per IS: 1239 with 1:2:4 PCC base concreting, G.I nut bolts, including excavation in all types of soil upto required depth and refilling etc. all as per drawing, specifications and as per the instructions of E.I.C.
5
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Earthing System: Supply, installation, testing & commissioning of earthing system for HT/LT power system and DG set & associated accessories etc. complete as required & as per specifications.
NOTE:
1) Measurement of resistance of each earth station & resistance of complete scheme of earthing layout shall be measured. 2) Jointing of the earth strip shall be with brass nut & bolt & also joints shall be soldered. 3) Jointing of the earth wire shall be solder joints only.
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Providing and making earth station with Tinned Copper earth plate electrode 600 x 600 x 3 mm earth station 2.5 mtr. below ground level complete with all required materials like coke /charcoal, salt, brass nut-bolt & washers, watering arrangement with G.I. Pipe 20 mm dia (B class) & funnel with wiremesh, concrete chamber, 10 mm thick MS chequered plate hinged cover mounted on 40 x 40 x 5 mm thick angle iron frame & including excavation in all types of soil in ground, refilling & removal of excess earth within radius of 500 m. etc. complete as per IS: 3043 & as per drawing No. CED/E&M/STD/12 & as required. Notes:
The chamber cover & frame shall be hinged type & it shall be got approved by department.
35
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Supplying & laying following tinned copper/GI earth wire / earth strip fixed on wall/side of trench/slab /column /beam /shaft for connection to panel/DBs /SFU's etc. with 5 mm thick G.I. Spacers & 2 mm thick G.I. saddle, in ground at 750 mm below including excavation in ground with protective baked bricks, refilling & removal of excess earth within a radius of 500 mtr. temporary instatement & back filling of trench, consolidation, interconnection of earth strip/wire with brass bolt & nuts & washers & solder jointing, painting with two coats of black bituminous paint for earth wire / strip in ground & green enamel paint for earth wire /strip on surface etc.
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50 mm x 6 mm tinned copper strip
275
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50 mm x 6 mm GI strip
625
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37 mm x 6 mm tinned copper strip
50
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25 mm x 6 mm Tinned copper strip
50
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Battery Charger & Battery :
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Battery :
Supply, installation, testing & commissioning of 30V lead acid battery set, comprising of 15cells of 2V, 100 AH capacity at 10 hr rate of discharge, compete with 'Tubular' positive plate, pasted negative plate, inter cell connectors, acid level indicating floats etc. all as per IS: 1651 and as per instructions of E-I-C & as per technical specification.The following accessories shall be included in the scope of work : a)Battery Stand constructed out of Teak wood and coated with anti-acid paint suitable for accommodating above cells in single row double tier arrangement
b) Tubular cells - 15 nos.
c) Stand insulators
d) Syringe type hydrometer suitable for specific gravity readings. - 2 Nos. e) Thermometer - 2 Nos.
f) Digital type cell testing voltmeter (3-0-3) complete with leads - 2 Nos. g) Spanner ( Inter connector bolt wrenches) - 2 Nos.
h) Inter cell connector with nuts, bolts & washers i) Vent plugs
j) Acid resisting jugs & funnels. -1 set
k) Rubber Gloves - 2 Nos.
l) Rubber aprons - 2 Nos.
m) Syringes
n) A small pack of petroleum jelly
o) Protective goggles - 2 Nos. p) Teakwood holder for thermometer & hydrometer - 2 sets
1
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Battery Charger :
Supply, Installation, Testing & Commissioning of 30V, 100 AH self contained battery charger cubicle panel, dust & vermin proof, well ventillated, indoor type fabricated out of 2 mm thick MS CRCA sheet, floor mounting type etc. intended to operate on 415 V, 50 Hz, 3 phase incoming supply. The charger unit shall be complete with float charger & float cum boost charger alongwith relays, DC distribution details board, contactor, switches, Ammeter, Voltmeter etc. complete as per technical specifications & as per instructions of E-I-C.
DC Distribution board comprising of following: i) Incoming 40 A DP MCB - 1 no.
ii) Outgoing 16 A DP MCB - 10 nos.
iiii) DC Voltmeter 96 sq. mm. (0-50 V) digital type with 2 A HRC fuses - 1 no. iv) LED type 'ON' lamp for I/C & O/G feeders - 1 set
1
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Miscellaneous
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Supply & Installation of GI pipe (B-class) sleeves in beams /column /slab for passing electrical cables / conduit as per instruction of E-I-C.
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25 mm dia
50
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50 mm dia
50
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100 mm dia
50
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Supply & laying of following size (dia) HDPE pipes in ground at a depth of 600mm, cutting of existing footpath, road, etc., sand bedding, laying of warning tape on top, temporary reinstatement back filling, dewatering if necessary consolidation, disposal of excess earth with in the radius of 500mm etc. or fixed on wall/coloumn/slab with 5mm thick M.S. flat/ GI spacer/angle/ support fixed with coach screws/ grouted in wall/ anchor fasteners 2mm thick GI fabricated saddle, all fixing accessories, etc. complete including painting of M.S. spacers/ angles all as per the attached work specifications and instructions of E-I-C. Note: The scope of work includes HDPE pipe accessories such as couplers, cable end plugs, cable sealing plugs etc.
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90 mm dia (OD-90 mm & ID-76 mm nominal)
25
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200 mm outer dia (OD-200 mm & ID-175 mm nominal)
25
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Supply & installation of 250 mm dia. heavy duty RCC Hume pipe of class 'NP2' to be laid in ground with necessary joints, concrete supports, including excavation in ground in all types of soil /concrete road cutting/ foot path cutting / nallah cutting / any RCC floor cutting including excavation, back filling, dewatering, consolidation, reinstatement as original, disposal of excess earth within the radius of 500 mtrs and making good to the original finish etc. Spare Hume pipes shall be sealed properly.
50
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M.S. Boxes : Supply and Installation of M.S. boxes fabricated out of 16 SWG MS CRCA sheet complete as required & as per the instructions of E-I-C.
500
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MS Fabrication Items: Supply, Fabrication & Installation of MS items of channel /angle / flat / rod hangers etc. including painting with two coats of red oxide primer and two coats of synthetic enamel paints per instruction of E-I-C.
2500
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Providing and fixing approved make Ladder type cable tray made from M.S sheet. The cable tray should be bended as per IS 2062/1079 shall be fabricated of double bended channel section longitudinal members with single bended Channel section. Rungs of members welded to the base of the longitudinal members at 250 mm c/c spacing . as per IS and shall be coated with hot dip galvanizing of 80 micron as per IS 2629/4759 with coupler plate / Fish plate and GI hardware like nut - bolt and washers & other accessories etc. erected on existing support as per Specification and as per instruction of engineer in charge.Rate Should include all bends , cross members , T Joints etc as per the requirement of site.
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300 X 100 X 2.0 mm Thick
50
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450 X 100 X 2.0 mm Thick
120
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Supply and installation of Fire stop mortar system equivalent to Hilti CP 636 , with minimum 2 hours fire rating when tested in accordance with UL 1479/ASTM-E 814 standards, for horizontal openings in floors or slabs after passing service lines like cables/cable bundles, cable trays etc. The mortar shall be a light weight cementitious product and shall carry test certificate in accordance with IEC 60068-2-57:1999-11 (Environmental Testing) as per Part 2-57: Test for Vibration-Time-history method and VERTEQII for seismic zone 4. The product shall be age tested as per Dafstb and DIBT standards. The product shall carry test certificate for mold resistance rating of 0 as determined by ASTM G21-96. The product shall be age tested as per Dafstb and DIBT standards.The system shall be UL listed. The gaps around inaccessible or complicated openings shall be sealed with exapnding firestop foam.
15
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Supply and installtion of expanding firestop foam equivalent to Hilti CP 620 on both sides of wall, with minimum 2 hours fire rating when tested in accordance with UL 1479/ASTM-E 814, for horizontal openings in floors or slabs made of concrete/ masonry or Gypsum after passing service lines like cable trays or cables/cable bundles. The expanding foam expands seven times its volume to fill the cavity at the time of dispensing the material and shall fully cure within two minutes after dispensing. The product shall be age tested as per Dafstb and DIBT standards. The product shall provide water tightness when tested for W rating as per UL standards and shall carry test certificate for sound insualtion of 50 db when tested in accordance with ASTM E 90. The product volume shall be shall be minnimum 300 ml per cylinder. The product shall carry test certificate for mold resistance rating of 0 as determined by ASTM G21-96 and shall have a VOC content of approx. 1.3 g/l as per LEED 2009. The product shall be tested in accordance with IEC 60068-2-57:1999-11 (Environmental Testing) as per Part 2-57: Test for Vibration-Time-history method and VERTEQII for seismic zone 4. The system shall be UL listed & classified. The system shall be UL & FM approved.
10
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Supply and installatio of Acrylic Firestop Sealant equivalent to Hilti CP 606 in gaps between wall and slab made of concrete/masonary/gypsum on both sides of wall to provide minimum 2 hours fire rating when subject to the test conditions of UL 2079 standards. The product shall be age tested as per DafStb guidelines. The product shall be age tested as per Dafstb and DIBT standards.Sealant should provide sufficient MAF, water and gas tight seal. The product volume shall be shall be minnimum 310 ml per cylinder. Sealant shall also provide airborne sound transmission reduction (STC of 50) and shall be tested as per DIN 52210 for sound insulation. Sealant shall carry test certificate for mold resistance rating of 0 as determined by ASTM G21-96 and should have a VOC content of approx. 75 g/l as per LEED 2009. The sealant shall carry test certificate in accordance with IEC 60068-2-57:1999-11 (Environmental Testing) as per Part 2-57: Test for Vibration-Time-history method and VERTEQII for seismic zone 4. (310ml).
5
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Non powered Signages: Supply, installation, testing & commissioning of Non powered signages similar to M/s Prolite make AUTO GLOW as per instructions of E-I-C.
50
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CIVIL WORKS FOR OUTDOOR STRUCTURE :
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GI Outdoor Lattice Structure for CT,PT, Isolator & Post Insulator, etc.
Design, fabrication, supply & installation of outdoor hot dip heavily galvanised (min 85 micron thick) steel lattice structure made with suitable size of galvanised MS angles/chaneels/strip/rod, complete with all accessories as per enclosed basic conceptional drawing, as per instructions of Engineer-in-charge (E.I.C), suitable for mounting the following equipments
a) 1 set of PT
b) 13 sets of 33 KV isolators
c) Jumpers and interconnections etc.
d) Required numbers of 33 KV post insulators.
e) 1 sets of Current transformers (each set comprising of 3 nos single phase units of CT)
Note : Tenderer shall design the sizes of structural GI members & submit the complete G.A drawings for departmental approval incorporating all the requirements as per West Bengal State Electricity Board (WBSEB) standards & CEA requirements. Deptt. approval shall be obtained at every stage of fabrication & galvanisation at their works including testing of structural members samples as per relevant IS.
10
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Plain cement concrete (80mm thickness) work as per specification 1:3:6 (Brick soling is required below the PCC).
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Concrete of M10 grade
200
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Brick Soling (Inside Switch Yard)
2300
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Supply & spreading of No. 3 metal non flammable ( 40 mm ) in switch yard to maintain 100 mm thick layer of stones. Note: Scope also includes removal of existing gravels.
210
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Excavation in all types of soil / including soft rock, construction of PCC/RCC foundation as per relevant IS including shuttering work, back earth filling, curing removing extra earth & disposing with a lead of 500 m, grouting of structure, providing foundation bolts as per enclosed detailed specifications and drawings & as per instruction of E.I.C as detailed below :. Note: The design of the RCC foundation details shall be got approved by the Dept.
-
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Excavation in soil/soft rock
425
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20 mm thick cement mortar 1:3 with waterproofing compound @ 2% by weight of cement & finishing on top of foundation.
400
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Brick masonry work using well burnt bricks from approved lot of class designation 7.5 (classification as per IS:1077-1992 and min. average compression strength not less than 7.5 N/mm2) using ready mixed cement sand mortar (1.4), to correct line, level and plumb including raking out joints & simultaneous flush pointing using ready mixed cement sand mortar (1.4), curing, scaffolding all as per specifications, drawings and as directed by Engineer in charge.
30
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Sand filling
20
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Providing & fixing precast approved brand FRP/GRP Composite Manhole covers as approved by Competant athority / E.I.C tested as per IS:1726, including cost of necessary hardware, 1:2:4 grade concrete for fixing frame, bed block (bearing course) and capping including necessary form work and CM 1:2 mortar for fixing the frame & for plastering exposed surfaces of concrete bed block (bearing course) and capping finished smooth with floating coat of neat cement etc., complete as per specifications, drawings and as directed by the E.I.C.. Note:Shade and Colour and design pattern to be get approved from Engineer-in-Charge.
-
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Square Heavy duty (Grade HD - 20 designation as per IS:1726/ C-250 as per EN124 or higher loading class) frame and cover size 600 x 600mm.
300
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Rectangular Heavy duty (Grade HD - 20 designation as per IS:1726/ C-250 as per EN124 or higher loading class) frame and cover size 900 x 450mm
250
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RCC works 1:2:4 including grouting of foundation bolts for PT
3
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Cement Painting for foundation of equipments
300
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PVC pipe (110 mm dia) for water drainage from switchyard through PCC, as per layout provided by department.
390
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Supply of foundation G.I. bolts complete with washers and nuts
50
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Removal/dismantling of old items like Transformer, Breaker, CT etc. has to be done and materilas are to be deposited in VECC stores. All scraps are to be disposed in VECC scrap yard. All debris generated from the work has to be disposed off from VECC campus.
1
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