PROVN OF WORK SERVICES FOR NFS PROJECT INFRASTRUCTURE PHASE I INCLUDING PROVN OF DG SET FOR RDS TECHNICAL ACCN AKKORD SIMULATOR AT AF STN SURYALANKA

Amount

SCHEDULE 'A'

Supply laying & testing cable of size 3 core 70 sqmm, HT XLPE insulated screened PVC bedded, galvanized steel strip or wire armored, electric power cables (heavy duty) with stranded aluminum conductor 11000 volts grade complete all as specified and as directed.

Supply, laying and testing cable LT XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 120 sq mm 3.5 core complete all as specified and as directed.

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for laying of cable n exc 10 sq m on plan and n exc 1.5 m in depth and getting out soft / loose soil complete all as specified and as directed.

Returning, filling-in, including spreading, watering and well ramming in layers not exceeding 25 cm thick each, in soft /loose soil complete all as specified. Note:-The back fill shall be neatly rounded/levelled over the trench to a sufficient height to allow for settlement to the required level all as specified in clause 18.56.6(a) of SSR-2009

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

M & L for dry Sand filling in cable trenches for protection of cables with two layers below and above cable and punned down to specified thickness complete all as specified and as directed. Note: Punned down thickness shall only be measured for payment.

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

Supplying and laying Red Clay Bricks of Class B Designation 75 for cable Protection complete all as specified and as directed.

Supply and fix GI pipe light grade of 80 mm dia complete with elbows, couplers, etc and with MS clamps, nuts, bots, washers etc for fixing of pipe to wall/ floor and laying in trenches for cable protection complete all as specified and as directed.

Supply and fix cable jointing kit for 3 Core 70 sqmm, Aluminium cable of 11kV grade cable for indoor termination heat shrink type joint with jointing material and accessories complete all as specified and as directed.

M&L for Plain cement concrete of mix 1:3:6 type C2 using 40mm grade stone aggregrate as in foundation of poles etc, of pole / struts, complete all as specified and directed

M&L for Plain cement concrete of mix 1:2:4 type B1 using 20mm grade stone aggregrate in pedestal of poles/ struts copping foundation including necessary form work and finishing exposed face of concrete even and smooth without using extra cement complete all as specified and as directed.

S&F 11000 Volts Danger notice plate of 1.6mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with M.S. clamps, bolts and nuts of approved size, for HT, 25x20 cm size complete all as specified and as directed.

S&F Lightening Arrester 9 kV metal oxide, (Gap Less) Heavy Duty, Signle Pole Self Supporting Staion Class, 50Hz, outdoor Type, with discharge current 10 kA (Peak), all as per IS 3070 (Part-3) complete all as specified and as directed.

Earthing complete with galvanized steel earth plate electrode 600x600x6 mm thick buried directly in ground (earth pit not less than 2.25 m deep below normal ground level) with top edge of the plate not less than 1.5 m below normal ground level connected to galvanized earth strip of 32x6mm (up to 7.5m in length from earth plate) by means of bolts and nuts checknuts and washers of galvanized iron or steel all as specified and shwon in electrical plate no 3 of SSR part 1 including Charcoal, Rock salt, necessary excavation and earth work in any type of soil PCC 1:3:6 type C1 chamber with RCC 1:2:4 type B1 40 mm thick cover with MS bar 8mm dia 150mm c/c reingorcement, watering funnel 40 mm dia light grade for protection of earth electrode 20 mm dia for watering all as specified and directed and tested on completion.

S&F GI Strip 32x6 mm as Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. along with proceline insulators as required complete all as specified and as directed.

Supply, install, testing and commissioing of transformer of 100 KVA, step down Outdoor type complete with standard fittings, HT 11 KV 3 phase LT 433 volts, 3 phase 4 wire corrugated off circuit tape links of rating + 7.5 to -7.5 % @ 2.5% by means of hand operated off load tap changing gear, transformer copper wound, double wound, oil immersed naturaly cooled with external cooling tubes, core type delta connected on primary side (HV) and star connected on secondary side (LV) in accordance with vector symbol Dy-11 vector group with neutral brought on secondary side (LV side) and the maximum temperature rises should not exceed 45 degree centigrade in oil and 55 degree centigrade in HV / LV winding ring measured by resistance after continuous full load run in ambient temp as per IS-11171 per transformer, IS-3639 for fitting & accessories,IS-2099 for high voltage porcelian bushings and the transformer shall be comprised with the following standard fitting with off load tappings on HT side to vary secondary voltage within limit all as per IS-1180 of capacity up to of following:- (i) Pressure release valve (ii) Thermometer pocket on tank over with Thermometer (iii) Oil temperature indicator with 2 contacts alarm & trip (iv) Rating plate with terminal marking (v) Two earthing terminals on tank and cover to facilate fixing of GI earth strip (vi) Oil level guage (vii) Oil drain filter valve Note: The transformer will have its initial oil filling to appropriate level (cost of oil including testing with desired dielectric strength deemed to be included in quoted rate)

Supply, installation, testing & commissioning of 11 KV, 630A, 25KA IP 54 protection out door load beak switch floor mounted suitable for coupling with existing 11KV RMU and equipped with earth switch, fuse tripping mechanism manually operated, with suitable HT HRC fuses 10A, meachanical ON/OFF indication, manual trip push button, control wiring with appropriate colors, bus connection 630A, aluminium bus bar manual trip, earth switch operating port, view glass earth switch interlock to prevent hazardous acess to the fuse links MS Sheet steel enclosure suitable for out door installation lifting hook, provision for receiving incoming/outgoing cables through bottom entry along with adaptor panel/bus bars to extend the bus bar from existing HT panel all as per site requirement complete all as specified and directed. Note : This unit is extension to the existing ABB, CCF+ module.

Supply, installation, commissioning and testing of LT Feeder Pillar Box outdoor type, double door made out of CRCA Sheet of 3.15 mm thick with powder coated painting frame made out of angle iron 45 x 45 x 6 mm and four numbers of 300 Amps aluminum strips / bars duly insulated on insulators / suitable size Bakelite sheet, free space between MCCB / busbar and other connection items should be provided, the space between ground to panel should be 60 cm with PCC foundation for LT Panel, LT panel should be provided with necessary locking arrangement, danger notice sticker, cable glands, internal wiring with FRLS copper wires and comprising and including the following: Incoming: a) MCCB 4 Pole, 160 Amps, 25 kA, Audjustable themral and adjustable magnetic setting. - 01 No. Outgoing: b) MCCB 4 Pole, 80 Amps, 25 kA, Audjustable themral and adjustable magnetic setting. - 02 Nos c) Intelligent Panel meter to measure voltage, current, frequency, power factor, kWH, etc with all connected CTs d) LED indicating lamps with colour Red, Yellow, Blue - 01 Set

M & L for masonry platform for transformer, of size 1.5m x 1.5m x 1.5m height above ground level and 0.60 m below ground level PCC Blocks in cm 1:6 including excavation and earth work in any type of soil foundation in PCC 1:2:4 type B1 with 20mm graded aggregate 10cm thick at top of the platform over 75mm thick PCC(1:4:8) sub base over approved earth filling and, plastering 20mm thick in cm 1:4 on PCC Blocks walls and applying three coats of white wash etc complete all as directed by engineer-in-charge

S&F, installation, Testing & Commission of silent Diesel Engine driven generating set 30kVA, 415 volts, 3 phase 4 wire. including PCC foundation 1:3:6 type C1 using 20 mm graded stone aggregate as recommended by manufacturer, sand cushioning around PCC foundation. Engine: water/ liquid cool engine, with first fill of lubricating oil, sensores for oil pressure, including all filters( i.e fuel filter, air filter, lubricating oil filter), precision governer mechanical/ electronic class A1, Bosh make Fuel injection system,Residential type heavy duty exhaust system all as per BS-5514/ ISO 3046 Standards. Alternator: Self excited, self regulated brish less single bearing alternator of capacity 30 KVA with AVR +/- 2.5%, Class H, IP23 insulation, 1500 RPM all as per As per BS 5000/ IS: 4722. Control Panel: Inbuilt AMF relay panel and switch gears for automatic starting on main failure, control panel having meter and indicating lamps, warning systems for Electrical trip, low lube oil pressure warning, any other faults, storing of recent faults, Emrgency stop button. Canopy: Sound proof canopy as per CPCB norms, vibration pads.

Supply and fix OFF LOAD change over switch 415V in sheet metal enclosures 4 pole of capacity 63 Amps. Complete all as specified and directed.

Supply and laying in trenches or passing through pipe, fixed to wall/pole and duct etc LT underground 35 sqmm, 3.5 core, electric cable including jointing and testing XLPE insulated armoured / unarmoured heavy duty underground cable with stranded aluminium conductor 1100 volt grade inclduing takingdwon unserviceable cable alongwith cable covers all as specified and directed.

Supply and laying galvanised steel tubing 40 mm dia, light grade, IS-1239 marked with all fittings IS marked and laid in trenches under roads in drains, fixed to poles/walls with required size flat iron clamp bolts, nuts and washers, pipes all as per specified and directed.

M&L for earth plate marking made up of angle iron 25x25x3 of length not less than 1.0 mtr, (0.5 mtr above GL) fixed with MS plate of 2 mm thick, 250 x 100 mm by welding, with two coats of red oxide paint with one coat of anti corrisive paint of specifed colour and writen "Earth Pit Nos XX, ER Value :____" and fixed complete all as specified and as directed.

M&L for filling of Cement concrete in foundations, filling and mass concrete of PCC 1:3:6 Type C2 using 40mm graded stone aggregate and curing for damaged portion of roads/ paths/ flooring etc complete all as specified and as directed.

Excavating in post holes, in soft/loose soil, (or similar holes) each n. exc. 0.5 cum, getting out, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers n. exc. 25cm, watering and removing surplus soil to a distance n. exc. 50m and making good surfaces all as specified and directed.

S&F rolled mild steel of grade Fe-290 (Grade E-165) in plate girder or single stanchions, posts with flange plates, caps, bases, splices, angle brackets, cleats and other connections all as specified and directed.

S&F rolled mild steel of grade Fe-290 (Grade E-165) quality ‘A’ as in main and cross beams, hip and jack rafters; purlins where connected to common rafters and running rails and guides for sliding doors; fixed with angle cleats or other connecting plates all as specified and directed.

S&F for pre-painted galvatume aluminium zinc coating GI based corrugated steel sheet 0.50 mm thick of any colour having tensile strength of 550 MPa as in roof covering/cladding to wall, fixed with self tapping screws all as specified and directed.

M&L for preparation of new or previously untreated steel and iron surfaces of any description, over 10 cm in width or girth not otherwise described and applying two coats of synthetic enamel paint over a coat of red oxide , zinc chrome primer all as specified.

Total of Schedule 'A'

AYYAPPA CONSTRUCTIONS

K VENUGOPALA SWAMY

S A R CONSTRUCTIONS