SPL REP/ REPLACEMENT OF EXISTING LT CABLES AND LT PANELS LOCATED AT VARIOUS LOCATIONS OF MARCOS AND SPL REP TO CERTAIN EQPT AND OTHER CONNECTED ITEMS FOR 100 TR CENTRAL AC PLANT AT HQ 34WEU UNDER GE MINNIE BAY PORT BLAIR

Amount

Supply, install and testing of Water softening plant of capacity 5 LPS at 30 m maximum head alongwith connected pumps/motors, foundation, starter panel, control wiring, pipeline system and valves suitable for 100TR chilled water central AC plant at 34 WEU including dismanlting old defective conventional pipeline system complete all as specified and directed by Engineer-in-Charge. Note : (i) The output water shall be of following quality :- a) Appearance Clear, (b)Suspended matter, oil, grease- N i l. c)Total hardness (as CaCO3) less than 5 ppm.d) Oxygen, free CO2, Free Cl- Nil.e) Total Alkalinity (as CaCO3) - 140 mg/liter. f) Caustic Alkalinity (as CaCO3) -70 mg/liter. g) Phosphates - 70 mg/liter. h)Total Dissolved Solids- 600 ppm.(ii) The quoted rate deemed to be inclusive of foundation frame, PCC foundation all as per OEM recommendations, necessary inlet/outlet connections pipes of suitable size/dia, valves, cutting/addn/alteration of existing pipe, copper cabling, starter panel and other misc work etc complete for complete functionality.

Supply, Installation and commissioning of induced draft counter flow, vertical discharge-type FRP Cooling tower of 125 TR heat rejection capacity with ultra-violet treated durable & highly efficient PVC fillings with integral louvers and drift eliminators, open pan suitable for water distribution complete with hot FRP water basin. The hot water shall be distributed to fills in each cell via open-type gravity basin or with spray nozzles or having self-rotating sprinklers. Cooling tower shall be provided with statically and dynamically balanced one no. anticorrosion treated axial flow type fan - either directdriven or driven through special bevelled reduction gear box with TEFC induction flameproof motor with IP-65 protection, IE-2, suction screen, make up and quick fill arrangement, overflow and drain connections and suitably inspected hot-dipped galvanized ladder, access arrangement for cooling tower interior, anti-vibration mountings etc., complete as required. Water Leaving Temperature : 90.0 deg F Water Entering Temperature : 97.5 deg F Water Flow Rate : 160 USGPM Ambient Wet Bulb Temperature : 83 deg F Make :- Delta, Note: The quoted rate shall deemed to be inclusive of cost of necessary PCC foundation as per manufacturer's recommendations, starter panel, copper control wiring from CT to starter, ERW medium grade MS pipe line, Valves. suction strainer etc complete including dismantling old one. Note: The quoted rate deemed to be inclusive of foundation frame, PCC foundation all as per OEM recommendations, necessary inlet/outlet connections pipes of suitable size/dia, valves, cutting/addn/alteration of existing pipe, copper cabling, starter panel and other misc work etc complete for complete functionality .

Supply and fix in replacement of the following spares pertaining to Central AC plant of Make: Blue star, model No XWC4S-052AR2 complete all as specified and directed by Engineer-in-Charge. Note: Old Spares shall be deposited to MES Store yard

Scroll compressors of model No. SZ185S4RC of make Danfoss, Chiller Model no. XWC4S-052AR2 of capacity 52 TR .

Copper condenser of model No. XWC4S-052AR2 of capacity 52 TR

Evaporator duly insulation for model No. XWC4S-052AR2 of capacity 52 TR

Control panel along with PCB, Aux, multimeter, contractor, relay etc and display of model No. XWC4S-052AR2 of capacity 52 TR

Controls LP,HP and Anti-freezer for model No. XWC4S- 052AR2 of capacity 52 TR

Expansion valves Make: Danfoss 11TR/38 KW R22/R407C, PS 46 bar for model No. XWC4S-052AR2 of capacity 52 TR

AHU Motor 10HP, IP55, 1450 RPM. Make Bharat Bijlee, ABB, Siemens suitable for AHU Zeco Model ZDS-160 , 15600 CFM

Three way solenoid valve DN 80, PN 16 Bar, 100 Cum/hr Make: Siemens VXF47.80 with controller

AHU fan Model FUD-710 , RPM 510, FAN pulley 400x 2SPB suitable for AHU Zeco Model ZDS-160, 15600 CFM

Excavation in trenches not exceeding 1.5m wide and not exeeding 1.5m in depth for foundation and laying of cable and getting out in soft soil complete all as specified and as directed by Engineer-In-Charge.

Returning, filling excavated soil in trenches including spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick each all as directed by Engineer-In-Charge.

Removing surplus excavated soil to a distance not exc 50 m and depositing where directed at a level n.exc 1.5 m above the starting point complete all as specified and as directed by Engineer-In-Charge.

Taking up old unservicable LT UG cables including DWC pipe/ cable cover etc from trench/poles/wall etc of any capacity complete all as specified and as directed by Engineer-In-Charge. Note : Earthwork required shall be measured and paid separately under relevant items.

Suppy, laying and testing of LT cable XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 10 Sqmm 4 core, including suitable gland, crimping of lugs complete laid in duct / fixed on wall/trenches all as specified and directed by Engineer-in- Charge. Note : Necessary earthwork shall be measured and paid separately.

All as per item No. 8.00 above but size of 120 sqmm 3.5 core complete all as specified and directed by Engineer-in- Charge.

All as per item No 8.00 above but size of 95 sqmm 3.5 core complete all as specified and directed by Engineer-in- Charge.

All as per item No.8.00 above but size of 70 sqmm 3.5 core complete all as specified and directed by Engineer-in- Charge.

All as per item No.8.00 above but size of 50 sqmm 3.5 core complete all as specified and directed by Engineer-in- Charge.

All as per item No. 8.00 above but size of 35 sqmm 3.5 core complete all as specified and directed by Engineer-in- Charge.

All as per item No.8.00 above but size of 25 sqmm 3.5 core complete all as specified and directed by Engineer-in- Charge.

Supply & laying of Telerex DWC (Double Wall Corrugated) HDPE pipe ISI marked of outer dia of 50 mm and inner dia 38 mm polethylene including couplers, bends, cap etc., with smooth internal and profiled external surface for non pressure under ground cable complete all as specified and directed by Engineer-in- Charge.

Supply & laying of Telerex DWC (Double Wall Corrugated) HDPE pipe ISI marked of outer dia of 63 mm and inner dia 50 mm polethylene including couplers, bends, cap etc., with smooth internal and profiled external surface for non pressure under ground cable complete all as specified and directed by Engineer-in- Charge.

Supply & laying Telerex DWC (Double Wall Corrugated) HDPE pipe ISI marked of outer dia of 77 mm and inner dia 63 mm polethylene including couplers, bends, cap etc., with smooth internal and profiled external surface for non pressure under ground cable complete all as specified and directed by Engineer-in- Charge.

Supply & laying Telerex DWC (Double Wall Corrugated) HDPE pipe ISI marked of outer dia of 90 mm and inner dia 76 mm polethylene including couplers, bends, cap etc., with smooth internal and profiled external surface for non pressure under ground cable complete all as specified and directed by Engineer-in- Charge.

M&L for taking down/up old GI tubing of 40mm to 80mm bore and refixing the same in new or old position (walls,ceiling, flooring etc.) after repairs complete all as specified and as directed by Engr-in-Charge. Note : Necessary earthwork shall be measured and paid separately.

Supplying and laying GI tubing medium grade for cable protection of following sizes laid in trenches/duct/fixing to under road or in such similar position of following sizes complete all as specified and directed by Engineer-in- Charge:- Note : Necessary earthwork shall be measured and paid separately.

80 mm bore

50 mm bore

40 mm bore

Material and Labour for cutting existing bituminous road for taking out/laying of underground cable and matching with the existing surface with Bituminous road pothole repair mix by necessary heating and application as per Manufacturer's instruction and removing debris to a distance not less than 50m complete all as specified and directed by Engineer-in- Charge. Note : Earthwork required shall deemed to be included in this quoted rate.

M&L for earthing complete with Galvanized steel earth plate electrode 600 x 600 x 6 mm thick buried directly in ground (earth pit not less than 2.25 mtr deep below GL) with top edge of earth plate not less than 1.5 Mtr below normal ground level, earth plate surrounded from all sides by 15cm thick and packed layer of charcoal dust and common salt filling in alternate layers and electrode connections by using galvanised iron strip 25×4mm connected by means of bolts, nuts, check nuts and washer of galvanized iron or steel, provision of 15 mm dia GI pipe medium grade for protection of G1 earth wire and 20mm dia GI pipe medium grade for watering arrangement and PCC (1:3:6) , type CI chamber. MS funnel, wire gauge. 50 mm thick RCC 1:2:4, type B1 earth pit cover with 6 Nos. 8 mm dia high strength deformed steel TMT bars on both ways including necessary excavation in any type of soil, returning, filling in, removal of surplus soil to distance n exc 50 mtr, provision of charcoal and salt complete all as shown in electrical plate No 3 of schedule Part-I complete all as specified and as directed by Engr-in-Charge. Note: (i) Cost of earth wire and GI protection pipe upto 7.5mtr length shall be deemed to be included in the rate quoted for this item. (ii) The unit rate shall also includes for Wire mesh, funnel, excavation, returning & filling, PCC chamber pit, RCC cover & test point.(iii) PCC pit shall be provided at least 500mm away from the earth pit and not just on the earth pit.(iv) If the desired earth resistance is not achieved during testing as per IS , the complete earthing shall be replaced / repaired by the contractor at his own cost and no extra claim shall be admissible. (vi) Earth test report shall be submitted to Accepting Officer for the payment of RAR / FB

NOTE:- (i) The panel shall be cubicle type and factory fabricated with front & back open able double door lockable by keys from both side having chromium plated 19 mm die fancy looks. (ii) Louvers & air vent gasket for natural flow of air shall be provided in panel. U type gasket shall be used. (iii) The dimension of the shell should be adequate to accommodate inner shell described above giving 75 mm space all around & shall be fabricated such a way that the complete inner shell along with its control gears/accessories could be taken outside without disrobing outer shell. (iv) The inner shell shall be made out of 2.0mm thick CRCA sheet duly compartmentalized for each control gear, front & back open able single door system lockable/openable by keys from both sides having chromium plated 19 mm die fancy locks. (v) The cubicle incomer MCCB as well as outings shall have copper TPN extension links of current carrying capacity not less than 1.5 times the rated capacity of individual feeders. (vi) The degree of protection of inner shell shall be IP-42. (vii) Separate Cable Alley shall be provided (viii) Drawing shall be approved by Accepting officer before placement of order. (ix) Old existing LT Panel shall be deposited at MES Storeyard without any extra payment.

M&L for straight through jointing kits heat shrinkable type LT UG XLPE cable heavy duty armoured sheathed and making the disturbed surface after relaying the cable and making joints suitalbe for aluminium conductor of following size :- Note : Taking down the fault cable, excavation, returning filling, removal of surplus soil shall be measured and paid separately under relevant item of this schedule.

10 to 16 Sqmm

25 to 70 Sqmm 3.5 core

95 to 120 Sqmm 3.5 core

M/s Karbhagam Sales Agency

DHAKSHNA MOORTHY AND SON