Augmentation of HT 11 KV Infrastructure at Main Receiving Station and allied works at INS Valsura, Jamnagar

Amount

Surface excavation not exc 30 cm deep and averaging 15 cm deep & getting out in soft/loose soil complete all as directed.

Excavating in trenches, not exc 1.5 metre wide and not exc 1.5 metre in depth, for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. laying cables, pipes, etc. not exc 10 Sqm on plan & not exc 1.5m in depth and getting out in soft/ loose soil complete all as specified and as directed.

Returning, filling in trenches, including spreading, leveling, watering and well ramming in layers not exceeding 25 cm thick in soil complete all as specified and directed.

Removing excavated surplus soil to a distance not exceeding 50 mts and depositing where directed at a level not exceeding 1.5 M above the starting point complete all as directed.

M&L for PCC 1:4:8 type D2 (using 40 mm graded crushed stone aggregate) as in foundations, filling and mass concrete complete all as specified and as directed.

M&L for factory made pre cast cement concrete 1:3:6 type C1 (using 20 mm graded crushed stone aggregate) block masonry with solid blocks, exceeding 10 cm in width and setting in cement mortar 1:4 complete all as specified & as directed.

M&L for reinforced cement concrete 1:2:4 type B1 (using 20 mm graded crushed stone aggregate) as in foundation including rafts, footings, foundation beams, plinth beams, base of columns etc., basement slabs, under-reamed piles and mass concrete including necessary formwork complete all as specified and as directed. Note: Reinforcement shall be measured and paid for separately.

M&L for mild steel TMT bars 10 mm dia and over, cut to length, bent to shape required, including cranking, bending spirally or hooping for columns, hooking ends and binding with mild steel wire (annealed) not less than 0.9 mm dia complete all as specified & as directed.

M&L for mild steel TMT bars 6 to 8 mm dia, cut to length, bent to shape required, including cranking, bending spirally or hooping for columns, hooking ends and binding with mild steel wire (annealed) not less than 0.9 mm dia complete all as specified & as directed.

M&L for factory made M-35 grade, 60 mm thick machine pressed, rubber moulded precast cement concrete interlocking paver blocks of shape and size as directed with grey cement and pigment confirming to IS: 15658-2006 (ISI marked), laid over and including 50 mm thick compacted sand cushion complete all as specified and as directed. Notes : (i) Quoted rate shall deemed to be inclusive of 50 mm thick compacted sand cushioning. (ii) Shape of paver blocks shall be as approved by the GE.

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

M&L for preparation of newly plastered surfaces of wall & applying two coats of cement base paint of approved shade/tint over a coat of alkali resistant priming paint complete all as specified & as directed.

M&L for filling approved dry river sand for cushioning and cover for protection of under ground electric cable in trenches 8 cm before laying cable and 15 cm deep over the cable and punning to 18 cm total thickness complete all as specified and as directed. Notes :- (i) Approved dry sand free from vegetations, grass and other deleterious substances shall be used. (ii) For the purpose of payment, only punned thickness shall be measured.

Supplying and laying un-reinforced precast cement concrete cable covers, Class HV, Type-1, Flat, size 300 mm x 180 mm x 40mm for protection of underground electric cable in trenches complete all as specified and as directed.

Supply and laying un-reinforced precast concrete cable cover, Class LV, Type-1, Flat, size 250mm x 150mm x 40mm for protection of underground electric cable in trenches complete all as specified and as directed.

M&L for Galvanized iron tubing, 32mm bore, light grade, ISI marked, with & including all fittings and fixed to walls / ceilings or laid in floors complete all as specified & as directed.

M&L for Galvanized iron tubing, 80mm bore light grade, ISI marked, including all fittings and laid in trenches/under road/drains, fixed to poles/walls etc with required size of flat iron (minimum 25mmx3mm) clamps, bolts, nuts and washers for protection of HT/LT electric cable complete all as specified & as directed. Note :- Excavation & earthwork shall be measured & paid for separately.

Supply and laying/fixing 20 mm bore High Density Polyethylene (HDPE) Pipes of Grade ‘PE 100’, Pressure Class ‘PN 8’, ‘SDR-17’, ISI marked, with all fittings, laid in trenches, under floors or roads/ along poles etc for protection of electric cables, complete all as directed.

Supply and laying/fixing 40 mm bore High Density Polyethylene (HDPE) Pipes of Grade ‘PE 100’, Pressure Class ‘PN 8’, ‘SDR-17’, ISI marked, with all fittings, laid in trenches, under floors or roads/ along poles etc for protection of electric cables, complete all as directed.

M&L for street light bracket made from MS tubing in required size & shape at site, cut to length, bend to shape required and suitable for existing street light pole and fixing the bracket to pole with MS flat and nuts and bolts and finally painting the exposed steel surface with two coats of first quality synthetic enamel paint of approved tint over a coat of zinc chromate primer complete all as directed. Notes :- (i) Size, section and shape of MS pipe shall be as directed. (ii) Quoted rate shall deemed to be inclusive of painting. Weight of paint shall not be considered for payment purpose and quoted rate shall deemed to be included this aspect.

S&F 5 metre height hot dip galvanized steel pole hexagonal/ octagonal cross sections grade S355JO of dimensions top dia 70 mm, bottom dia 130 mm, sheet thickness 3 mm, base plate dimensions 200x200x12 mm, foundation bolt size 4 Nos x 16 mm dia, pitch circle dia 200 mm, bolt length 450 mm, projected bolt length 80 mm, anchor plate thickness 3 mm with inbuilt compartment for mounting switch box, earthing etc covered with hinged door confirming to IS:2629 / BS EN ISO 1461 alongwith connections with & including MCB SP 6 Amp, 240 V, 10 kA, 'C' Curve (1 No.) & Connector (RYB&N) - 63 A Cap (01 No.) complete all as specified and as directed. Make of Pole: Bajaj Cat No. BOP-5030 (BOPH-5030) or equivalent in makes mentioned in Appendix 'B' here-in-after. Note: Earth work and PCC foundation shall be measured & paid for separately.

S&F 90 Watt LED street light fitting, High Efficiency, minimum IP 65 protection, CCT - 5700K, system lumen efficacy ≥ 110 Lm/W, Power factor ≥ 0.95, powder coated pressure die cast aluminium housing, top opening with separate driver compartment and clear PMMA/polycarbonate/toughened glass heat resistant cover, fixing to bracket including nut bolts, connected with & including 2.5 sqmm, 3 core PVC insulated sheathed copper conductor cable from Junction Box to light fitting and electrically connected to the existing system and testing on completion complete all as directed.

S&F 2.50 Sqmm 3 core PVC insulated, PVC Sheathed, multistranded copper conductor flexible cable of 1100 Volt grade (ISI marked) drawn through pole/ pipe from fitting to junction box etc with suitable lugs etc complete all as specified & as directed.

S&F 4.00 Sqmm 3 core PVC insulated, PVC Sheathed, multistranded copper conductor flexible cable of 1100 Volt grade (ISI marked) drawn through pole/ pipe from fitting to junction box etc with suitable lugs etc complete all as specified & as directed.

Supply, laying, jointing and testing HT XLPE (cross linked polyethylene) insulated, screened, PVC bedded, galvanised steel strip or wire armoured electric power cable (heavy duty) with aluminium stranded conductor 11000 Volt (Earthed) grade of cross sectional area 120 Sqmm, 3 Core (ISI marked) laid in trenches/ducts, through pipe, under floors or roads/ along poles etc, complete all as specified & as directed. Note : Sand cushioning, cable protection covers, protection pipe, jointing kits and excavation & earth work shall be measured & paid for separately.

Supply, laying, jointing and testing LT XLPE (cross linked polyethylene) insulated, screened, PVC bedded, galvanised steel strip or wire armoured electric cable (heavy duty) with aluminium stranded conductor 1100 Volt grade cross sectional area 95 sqmm 3½ Core (ISI marked) laid in trenches/ducts, through pipe, under floors or roads/ along poles etc complete all as specified & as directed. Note : Sand cushioning, cable protection covers, protection pipe, jointing kits and excavation & earth work shall be measured & paid for separately.

Supply, laying, jointing and testing LT XLPE (cross linked polyethylene) insulated, screened, PVC bedded, galvanised steel strip or wire armoured electric cable (heavy duty) with aluminium stranded conductor 1100 Volt grade cross sectional area 10 sqmm 4 Core (ISI marked) laid in trenches/ducts, through pipe, under floors or roads/ along poles etc complete all as specified & as directed. Note : Sand cushioning, cable protection covers, protection pipe, jointing kits and excavation & earth work shall be measured & paid for separately.

M&L for cable jointing kit for 11 KV (Earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sqmm to 185 sqmm complete all as specified & as directed.

M&L for cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sqmm to 185 sqmm complete all as specified & as directed.

S&F Danger notice plate of 25x20cm size, 1.6mm thick mild steel sheet, vitreous enameled white, with letters, figures and conventional skull and bones in signal red colour for HT 11000 Volts and fixed with suitable MS clamps made out of flat iron 25x3mm, bolts and nuts of approved size, fixed in repairs, complete all as specified & as directed.

M&L for Navy Blue LED sign board of size 3ft x 2.5ft with white Alphabets/ Letters, out door type, totally enclosed with locking arrangement, 3mm thick acrylic sheet, iron frame angle of size 45x45x5mm with minimum 4ft height from ground level and 1ft in depth grouted in PCC 1:2:4 type B1 (using 20 mm graded stone aggregate) for sub-station/ plant with LED lights as directed (minimum 02 Nos of 10W LED light) and internal wiring complete with electrical connection from nearest street light pole/ panel including testing after completion with & including all standard accessories as per standard trade practice including two coats of synthetic enamel painting of approved tint over a coat of zinc chrome primer after preparation of steel surfaces of MS frame work complete all as directed by Engineer-in-Charge. Note: Quoted rate shall deemed to be inclusive of PCC, LED light and electrical connections. Letters/matter/logo/sign etc for sign board shall be given by the Engineer-in-Charge as per location of sign board. The lettering font & style, lightning work, etc shall be as directed by Engineer-in-Charge.

M&L for aluminium strip 25 x 3.15mm with saddles and fixing screws etc. for roof conductors and down conductors above ground complete all as specified & as directed.

M&L for Air termination, single pointed aluminium rod 12mm dia and 300mm long fix to aluminium strip, nut, bolts and washers complete all as specified & as directed.

S&F Test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm drilled and screwed including 3 Nos. 8mm dia 25mm long hexagonal head screws, enclosed in suitable PVC box, complete all as specified & as directed.

S&F porcelain insulator of overall minimum size 72mm x 32mm x 34mm (single pole bus bar support insulator) suitable for fixing aluminium/GI strip roof/down conductors, fixed in PCC blocks/walls/pole/pipe with two Nos hexagonal head GI screws 40mm long, one No. hexagonal head GI bolt 30mm long & 5-6mm dia with one No. square shaped GI washer of size 25x25mm & 0.6-0.8mm thickness & one No. GI nut for fixing/running the roof/down conductors, conforming to the sample kept in GE’s office, complete all as specified & as directed. Note : Cost of screws, bolt, washer & nut is included in quoted rates.

S&F UPS of 1 kVA capacity for 30 minutes minimum back up, single phase, AC input 160 to 260 V and output 230 ± 1%, complete all as specified & as directed.

S&F factory fabricated Panel Board of suitable size to accommodate a UPS of 1 kVA capacity made out of 2mm thick MS CRCA sheet with centre open hinge type, powder coated inside & outside in approved shade, rubber gasket, totally enclosed, 2 Nos earthing terminals and making panel board concealed in wall by making alteration by required cementing work complete all as directed by Engineer-in-Charge. Note : Cost of cutting/leaving forming chases for sinking for Panel Board and making good in CM 1:4 shall deemed to be included in quoted rate of this item.

Supply, installation, commissioning and testing of outdoor type copper wound HT 11 KV, 3 Phase Automatic Voltage Regulator (AVR) of capacity 1500 KVA of duty cycle 24 hrs continuous with 100% load, on-load step less with input range of 10 KV to 12.5 KV, output voltage 11 KV ± 1% having automatic motorised & manual control for correction of voltage and Auto/ Manual switch for rising/ lowering of voltage complete all as directed with first filling of transformer oil, features of transformer shall be as given below:- (A) General Design Features: - (a) Input Voltage:10 KV to 12.5 KV (b) Output voltage: 11 KV ± 1% (c) Operating voltage: 10 KV to 12.5 KV (d) Current Type: AC (e) Input Current Range : 86.6A to 69.28A (f) Output Current Range : 78.73A (g) Correction Rate in KV/ Second : 0.25 KV/Second (h) Capacity: 3 Phase 50 Hz for unbalanced load of 1500 KVA (j) Duty Cycle : 100% Continuous Load description of item contd....

Description of serial item No. 38 contd… (B) Connecting Accessories: - (a) Uni-directional plain roller - 04 Nos. (b) Lifting lugs - 04 Nos (c) Earthing terminals - 02 Nos (d) Rating plate - 01 No. (e) Top filter valve with plug - 01 No (f) Drain valve cum bottom filter valve - 01 No (g) Oiling filling hole - 01 No (h) Thermometer pocket (j) Plain oil level gauge - 01 No (k) Dehydration silica gel breather - 01 No (l) Inspection Cover (m) Conservator - 01 No (n) Explosion vent - 01 No (o) Air Release Plug - 01 No (p) Buchholz Relay - 01 No (q) Oil Temperature Indicator (OTI) - 01 No (r) Marshalling box - 01 No (s) Radiators - 01 No etc. description of item contd....

Description of serial item No. 38 contd… (C) GENERAL ARRANGEMENT: The Unit Consists of following:- (a) Step Down Transformer double wound, Star/ Delta connected. (b) On Load stepless rolling contact type regulator, Auto wound Delta connected. (c) Transformer, Double copper wound Open/open- Buck Boost (d) Automatic Control Gear consists of: One Electronic Relay, One reversing geared Motor Unit, Two limit switches in order to avoid over-running highest and lowest position. Chain Drive, Coupling Devices and all electrical connections. (D) Central Constructional Features: - (a) Hand Control: Hand wheel will be located on the front of the tank at convenient operative height. description of item contd....

Description of serial item No. 38 contd… (b) Motor Control: Raise/ Lower Push button control by means of small single phase reversible geared motor of the permanent capacitor type shall be provided. The limit switches shall be provided to restrict the travel at extreme positions. The reversible graded motor wound of ‘STEP-SYN’ type. (c) Automatic Control: For automatic correction of fluctuating supply voltage, Electronic relay shall be provided, which will sense the output voltage and provide signal to the driving motor for necessary corrections. Notes : (i) The contractor shall get approval of design & drawings of equipment(s) from GE before procurement of equipment(s). (ii) The contractor shall make all necessary arrangements with all required T&P at his own cost for testing of AVR by SEI during the currency of contract/ defects liability period. (iii) Contractor shall ensure the commissioning of AVR in conjunction with UPS provided under relevant item of this Schedule for providing auxiliary supply.

M&L for Earthing with & including copper earth plate electrode 60 cm x 60 cm x 3.15 mm thick buried vertically in ground (earth pit not less than 2.25 m below normal ground level) with top edge of the earth plate at a depth not less than 1.5 m below ground level, the earth electrode surrounded by adequate quantity of charcoal dust and salt to a packed thickness of 15 cm on all sides, connected to & including copper strip 20 x 3.15mm as earth lead, including nuts, bolts, check nuts & washers of galvanized iron or steel and riveted/welded to earth plate at one end and other end of strip connected to Panel / transformer / GOD / equipment body / test point with two Nos nuts bolts or welding with steel structure, Copper earth strip encased in and including 40mm bore GI light grade pipe with all fittings from upper edges of earth plate upto 7.5 metre above ground level fixed with and including 25x3mm flat iron clamps, bolts, nuts and washer and also including providing watering pipe 20mm bore GI pipe medium grade from earth pit to top of electrode and including funnel, wire mesh, copper lugs etc complete with earth pit in PCC 1:3:6 type C1 using 20mm graded crushed stone aggregate and 40mm thick RCC (1:2:4 type B1) cover complete all as specified and shown in electrical plate No 3 of SSR Part-I including necessary excavation and earthwork in any type of soil, returning, filling in approved soil and disposal of surplus soil to a distance not exc 50m complete all as specified and as directed.

M&L for Earthing with & including galvanised mild steel earth plate electrode of size 60 cm x 60 cm x 6 mm thick buried vertically in ground (earth pit not less than 2.25 m below normal ground level) with top edge of the earth plate at a depth not less than 1.5 m below ground level, the earth electrode surrounded by adequate quantity of charcoal dust and salt to a packed thickness of 15 cm on all sides, connected to & including galvanized mild steel strip 32x6 mm as earth lead, including nuts, bolts, check nuts & washers of galvanized iron or steel and riveted/welded to earth plate at one end and other end of strip connected to Panel / transformer / GOD / equipment body / test point with two Nos nuts bolts or welding with steel structure, GI earth strip encased in and including 40mm bore GI light grade pipe with all fittings from upper edges of earth plate upto 7.5 metre above ground level fixed with and including 25x3mm flat iron clamps, bolts, nuts and washer and also including providing watering pipe 20mm bore GI pipe medium grade from earth pit to top of electrode and including funnel, wire mesh, copper lugs etc complete with earth pit in PCC 1:3:6 type C1 using 20mm graded crushed stone aggregate and 40mm thick RCC (1:2:4 type B1) cover reinforced with 8 mm dia TMT bars reinforced at 100 mm C/C both ways and handle of 6 mm dia MS bar made to shape complete all as specified and shown in electrical plate No 3 of SSR Part-I including necessary excavation and earthwork in any type of soil, returning, filling in approved soil and disposal of surplus soil to a distance not exc 50m complete all as specified and as directed.

JAMNAGAR ELECTRIC AND MACHINERY CO (BID ID -3283172)

M/s. Vimal Enterprise (BID ID -3283573)