SPECIAL REPAIRS TO EXTERNAL ELECTRIC SUPPLY TO CERTAIN OFFICERS MARRIED ACCN AND OTM ACCN UNDER GE DSSC WELLINGTON

Amount

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m in depth for taking out/laying of UG Cables, GI Pipe etc. and getting out in hard / dense soil complete all as specified and as directed.

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

Removing of excavated material (Soil) to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and as directed.

Materal and Labours for providing sand cushioning for protection of UG cable in trenches with Riddled Earth of approved quality as approved in writing by GE including filling, spreading and punning down to desired thickness complete all as specified and as directed. Note : The punned Thickness only will be measured and paid.

Supply and laying sub class "B" bricks in trenches for protection of UG Cable with width equal to length of bricks, laid dry & flat complete all as specified and as directed.

Supply, laying, jointing & testing 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 35sq mm 3.5 core in trenches through GI pipe and fixed with pole structure or in LT Panel MCCB any size and any type with Lugs & connecting accessories incl taking down old cable complete all as specified and as directed. Make : HAVELLS/GLOSTER/POLYCAB. Note :- Necessary eacavation and earthwotk, PCC etc shall be measured and paid separately under relevant items of works

Description all as per Item Sl Item No. 6 here in above, but of size 95 Sqmm 3.5 core.

Description all as per Item Sl No 6 here in above, but of size 120 Sqmm 3.5 core.

Description all as per Item Sl Item No. 6 here in above, but of size 150 Sqmm 3.5 core.

Description all as per Item Sl Item No. 6 here in above, but of size240 Sqmm 3.5 core.

M&L for boring under road manually with labour suitable for inserting upto 80 mm bore pipe at a depth 0.75 to 1.0 mtr complete all as specified and as directed.

M&L for cutting the existing hardstanding/PCC/ WBM road at a depth of not less than 60 cm & 30 cm in width for passing of LT cables through GI pipes, returning filling in, complete incl finishing the surfaces by providing cement concrete type B1 (1:2:4) with 20 mm graded aggregate upto 20 cm, finishing to a uniform smooth surface complete all as specified and as directed.

NOTE for Item Nos 1 to 12 : Any damages made to the existing services of MES/WCB/TNEB/Other Depts like HT/LT UG cables, Water Supply/Sewage Pipe lines, OFC/BSNL/ITRC/Signal communication cables etc. during the excavation/boring/road cuting etc. progress of the work shall be made good with proper materials and jointing kits etc. as per original to the entire satisfaction of Engr-In-Charge . The cost of the same is deemed to be included in the unit quoted rates. Decision of the ACCEPTING OFFICER shall be final and binding.

Supply and laying GI pipe light grade (ISI Marked) of size 80 mm for cable protection to be fixed on wall /pole /road crossing with necessary clamps complete all as directed and specified by Engr-in-Charge Make: TATA/Jindal/Prakash

Supply and laying GI pipe light grade (ISI Marked) of size 50 mm for cable protection to be fixed on wall /pole /road crossing with necessary clamps complete all as specified and as directed. Make: TATA/Jindal/Prakash

M&L for straight through joint, heat shrink type for LT UG Cable incl joint kits suitable for Aluminium conductor cable of size70 to 150 Sqmm 3.5 core incl earthwork, taking down, preparation of damaged cable incl testing complete all as specified and as directed. Make : DENSON/3M/YAMUNA/RAYCHEM.

Description all as per Item Sl Item No.15 here in above but of size240 Sqmm 3.5 core.

Supply, install, testing and commissioning of LT busbar junction box "out-door type" of size 750 mm (height) x 600 mm (width) x 300 mm (depth) (minimum dimensions), factory fabricated CPRI approved (type-tested) with suitable neoprene rubber gasket to make it completely dust & vermin proof & degree of protection not less than IP-55 & general construction confirming to IS-13947, double door, front & back openable. The box shall be provided with ventilation facility in the form of louvers for better heat dissipation & high grade aluminum bus-bar of rating 400A of length 600mm, min spacing of 80mm between the busbars & wrapped with coloured PVC tape /sleeves of rating in conformity to the Incoming cable rating. The panel board shall be fabricated out of 3.15 mm thick (for outer portions) & 2.00 mm thick (for inner portions) CRCA sheet duly pre-treated & powder coated, supporting angle iron frame & MC channel base suitable for 3 Phase, 4 wire system 415 /440 volts grade including I/C & O/G cable opening on bottom & at both sides including cable glands of suitable sizes with suitable PCC (1:3:6) type C-2 foundation , necessary earthwork (if any) incl taking down old unsv box of any size/type complete all as specified and as directed.

Notes :- (i) Design / drawing / BOM of the Panel Board showing the dimensions is to be obtained from the Manufacturer / Supplier & is to be got approved from the Engr-in-Charge & GE before placing final order to the manufacturer. (ii) Anything missed out in the technical specifications but technically required for efficient working is deemed to be included in the quoted rates.

Supply, install, testing and commissioning of LT control panel board "out-door type" of size 1800 mm (height) x 1500 mm (width) x 500 mm (depth) (minimum dimensions), factory fabricated CPRI approved (type-tested) with suitable neoprene rubber gasket to make it completely dust & vermin proof & degree of protection not less than IP-55 & general construction confirming to IS-13947, double door, front & back openable. The panel shall be provided with ventilation facility in the form of louvers for better heat dissipation & high grade aluminum bus-bar wrapped with coloured PVC tape /sleeves of rating in conformity to the Incoming ACB/MCCB rating. The panel board shall be fabricated out of 3.15 mm thick (for outer portions) & 2.00 mm thick (for inner portions) CRCA sheet duly pre-treated & powder coated, supporting angle iron frame & MC channel base suitable for 3 Phase, 4 wire system 415 /440 volts grade including complete internal wiring with not less than 2.5 Sqmm copper wire including cable glands of suitable sizes with suitable PCC (1:3:6) type C-2 foundation , necessary earthwork (if any) incl taking down old unsv LT panel of any size/type complete all as specified & as directed with and including the following accessories :

(Nilgiris Qtr 1,2,3 Back side ) (i) BUS-BAR & INTERNAL CONNECTIONS : The bus-bars shall be made up of 04 Nos high grade Aluminium 500 Amps rated, duly insulated with 1100 Volts grade standard colour coded PVC sleeves & rigidly mounted on suitable sized "F" class insulators of non-hygroscopic, non-combustible, all internal connections from main bus-bars to switch gears etc. PROVISION FOR CABLE ENTRY : The provision for cable entry /exit shall be provided in the bottom for both incoming & out-going cables with the help of glands matching the existing LT cable sizes. INCOMING : (a) MCCB 4 Pole (Ics = 100% Icu) with thermal magnetic release, adjustable short circuit & adjustable overload setting, suitable for isolation, having breaking capacity 36 KA & of rating 250 to 320 A - 01 Nos. Make : L & T, Cat No : CM98403OOQOOG or techno-commercially equivalent of Legrand /Siemens. OUTGOINGS : (a) MCCB 4 Pole (Ics = 100% Icu) with thermal magnetic release, adjustable short circuit & adjustable overload setting, suitable for isolation, having breaking capacity 25 KA & of rating 100 to 125 Amps - 06 Nos (05W+1S) Make : L & T, Cat No : CM90642OOLO or techno-commercially equivalent of Legrand /Siemens. (b) MCCB 4 Pole (Ics = 100% Icu) with thermal magnetic release, adjustable short circuit & adjustable overload setting, suitable for isolation, having breaking capacity 25 KA & of rating 63 to 80 A - 02 Nos. (01W+1S) Make : L & T, Cat No : CM91712OOJOOG or techno-commercially equivalent of Legrand /Siemens. (c) Time switch 415 Volts, 3 Phase of 20 Amps rating with Contactor complete . Make : L&T, Cat No (AUTS02DIG00- timer, CS94190-contactor) or techno-commercially eqvt of Legrand /Siemens. (d) MCB SPN "C" series having breaking capacity 10 KA of rating 06 to 32 Amps - 01 No. Make : L&T/Legrand /Siemens. (e) MCB TPN "C" series having breaking capacity 10 KA of rating 06 to 32 Amps - 01 No. Make : L&T /Legrand /Siemens.

Desecription all as per item No.18.00 here in before, but of size 1500 mm (height) x 1200 mm (width) x 500 mm (depth) (minimum dimensions) with & including the following accessories:- (Near MES IB) (i) BUS-BAR & INTERNAL CONNECTIONS : The bus-bars shall be made up of 04 Nos high grade Aluminium 400 Amps rated, duly insulated with 1100 Volts grade standard colour coded PVC sleeves & rigidly mounted on suitable sized "F" class insulators of non-hygroscopic, non-combustible, all internal connections from main bus-bars to switch gears etc. PROVISION FOR CABLE ENTRY : The provision for cable entry /exit shall be provided in the bottom for both incoming & out-going cables with the help of glands matching the existing LT cable sizes.

INCOMING : (a) MCCB 4 Pole (Ics = 100% Icu) with thermal magnetic release, adjustable short circuit & adjustable overload setting, suitable for isolation, having breaking capacity 25 KA & of rating 160 to 200 A - 01 Nos. Make : L & T, Cat No : CM90642OONO or techno-commercially equivalent of Legrand /Siemens. (b) Onload changeover switch, open-execution modular construction type, confirming to IS/IEC 60947-3, rated current 200 Amps, 415 Volts, 4 Pole, AC 23A - 01 No. Make : L & T, Cat No : CO22000OOOA or techno-commercially equivalent in ABB/ Siemens. OUTGOINGS : (a) MCCB 4 Pole (Ics = 100% Icu) with thermal magnetic release, adjustable short circuit & adjustable overload setting, suitable for isolation, having breaking capacity 25 KA & of rating 100 to 125 Amps - 01 Nos Make : L & T, Cat No : CM90642OOLO or techno-commercially equivalent of Legrand /Siemens. (b) MCCB 4 Pole (Ics = 100% Icu) with thermal magnetic release, adjustable short circuit & adjustable overload setting, suitable for isolation, having breaking capacity 25 KA & of rating 63 to 80 A - 02 Nos. (01W+1S) Make : L & T, Cat No : CM91712OOJOOG or techno-commercially equivalent of Legrand /Siemens. (c) Time switch 415 Volts, 3 Phase of 20 Amps rating with Contactor complete . Make : L&T, Cat No (AUTS02DIG00- timer, CS94190-contactor) or techno-commercially eqvt of Legrand /Siemens. (d) MCB SPN "C" series having breaking capacity 10 KA of rating 06 to 32 Amps - 01 No. Make : L&T/Legrand /Siemens. (e) MCB TPN "C" series having breaking capacity 10 KA of rating 06 to 32 Amps - 01 No. Make : L&T /Legrand /Siemens.

Description all as per item 18.00 here in before, but of size 1500 mm (height) x 1200 mm (width) x 500 mm (depth) (minimum dimensions) with & including the following accessories:- (Rana Pratap Block) (i) BUS-BAR & INTERNAL CONNECTIONS : The bus-bars shall be made up of 04 Nos high grade Aluminium 400 Amps rated, duly insulated with 1100 Volts grade standard colour coded PVC sleeves & rigidly mounted on suitable sized "F" class insulators of non-hygroscopic, non-combustible, all internal connections from main bus-bars to switch gears etc. PROVISION FOR CABLE ENTRY : The provision for cable entry /exit shall be provided in the bottom for both incoming & out-going cables with the help of glands matching the existing LT cable sizes.

INCOMING : (a) MCCB 4 Pole (Ics = 100% Icu) with thermal magnetic release, adjustable short circuit & adjustable overload setting, suitable for isolation, having breaking capacity 25 KA & of rating 160 to 200 A - 01 Nos. Make : L & T, Cat No : CM90642OONO or techno-commercially equivalent of Legrand /Siemens. (b) Onload changeover switch, open-execution modular construction type, confirming to IS/IEC 60947-3, rated current 200 Amps, 415 Volts, 4 Pole, AC 23A - 01 No. Make : L & T, Cat No : CO22000OOOA or techno-commercially equivalent in ABB/ Siemens.

M&L for earthing complete with Galvanised steel earth plate electrode 600 mm x 600 mm x 6 mm thick buried directly in ground (in vertical position) earth pit not less than 2.25 mtr below normal ground level with the top edge of the earth plate not less than 1.5 mtr (B.G.L.) and connected to GI earth strip 32 mm x 6 mm by means of bolts, nuts, check nuts, and washers of galvanized iron including PCC pit & cover with suitable handle, including necessary excavation and earth work in any type of soil, 20 mm dia med grade galvanized steel tube for watering with one end fixed with suitable funnel and wire mesh, 40 mm bore medium grade galvanized steel tubing for drawing earth lead GI strip protection & common salt, charcoal in alternate layers etc. complete all as shown in Electrical Plate No 3 of SSR Part 1 and testing on completion complete all as specified and as directed.

Note :-1) On completion of the complete work/job the Contr is to perform earth resistance tests for each earthing job in the presence of the Engr-In-Charge or his rep & submit test certificates duly signed & certified. If the test results are not satisfactory or not within the permissible limits of relevant Standards/IS then the job is to be redone without any extra cost to the Dept till the results are satisfactory.

Supply, install, testing and commissioning of Onload changeover switch, open-execution modular construction type, confirming to IS/IEC 60947-3, rated current 250 Amps, 415 Volts, 4 Pole, AC 23A - 01 No. Make : L & T, Cat No : CO32500 OOOO fixed in "out-door type" sheet metal enclosure of size 750 mm (height) x 600 mm (breadth) x 300 mm (depth) (minimum dimensions), factory fabricated CPRI approved (type-tested) with suitable neoprene rubber gasket to make it completely dust & vermin proof & degree of protection not less than IP-55 & general construction confirming to IS-13947, double door, front & back openable. The panel board shall be fabricated out of 3.15 mm thick (for outer portions) & 2.00 mm thick (for inner portions) CRCA sheet duly pre-treated & powder coated, supporting angle iron frame & MC channel base suitable for 3 Phase, 4 wire system 415 /440 volts grade including with suitable PCC (1:3:6) type C-2 foundation , necessary earthwork (if any) incl taking down old unsv box of any size/type complete all as specified and as directed.

Notes :- (i) Design / drawing / BOM of the Panel Board showing the dimensions is to be obtained from the Manufacturer / Supplier & is to be got approved from the Engr-in-Charge & GE before placing final order to the manufacturer. (ii) Anything missed out in the technical specifications but technically required for efficient working is deemed to be included in the quoted rates.

Saket Enterprises

p.chinnasamy