REPAIR MAINTENANCE OF UG CABLE, TWO FOUR POLE STRUCTURES, REPLACEMENT OF MCCBS, MAIN SWITCHES, POLE PAINTING, EARTHING AND REPAIR MAINTENANCE OF STREET LIGHT, SECURITY LIGHTS AT MADAMBAKKAM, 9P S AND NARENDRA PLACE AT AF STATION TAMBARAM

Amount

Excavation in trenches not exceeding 1.5 m deep and not exceeding 1.5 m wide and getting out in hard/dense soil for laying cable.pipes ,pole foundationetc all as directed

Excavation in trenches depth exceeding 1.5 m not exceeding 3.0 m deep and not exceeding 1.5 m wide and getting out in hard/dense soil for pole foundation etc all as directed.

Returning, filling in soil including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick

Removing the excavated surplus soil to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point.

Supply, lay / spread in trenches, river sand including cleaning, spreading, levelling, punning for laying /cushioning of cable all as specified and as directed. Note: Punning thickness shall be measured and paid.

Supply, lay in trenches burnt Bricks, old size, Sub class "B" for cable protection all as specified and directed.

Relaying of old serviceable bricks of any size removed from old cable trenches laid across trenches for cable protection.

Cutting, trimming and prunning of trees/tree branches of any girth upto 4m all around existing LT/HT over head lines including cleaning the disturbed area beneath the LT/HT overhead lines and removing the tree/ tree branches and debris from site and depositing where directed by Engineer-in-Charge. Note: (a) All the LT/HT over head line shall be kept clean through out the contract period by repeatedly cutting trimming of trees as and when grows and as required and directed by Engineer-in-Charge depending on the growth of the tree . However measurement shall be measured and paid only once during entire contract period.contractor shall quote his rate accordingly. (b) Approximate span between poles shall be 45 to 60m.

Taking down old serviceable conductors of any description and re-stringing/ tightening of ACSR conductor (squirrel/ weasel/ ferret) / GI earth continuity conductor/ cradle up to the permissible sag limit between any span length and binding with new binding wire of the same materiel to insulators all as specified and as directed. NOTE:Approximate span between poles shall be 45m to 60m.

Dismantling old and unserviceable copper/ACSR conductor of any size / including disconnecting from the poles and depositing where directed.

S&F ACSR conductor of any size including binding on existing LT/ HT poles or new poles with 02mm dia aluminium binding wire including jumper all as specified and directed by the Engineer-in-Charge . Make of ACSR : ICC/ NICCO/ BHARAT CONDUCTORS.

Supply, fabricating and fix mild steel cross arms (any type) supports, bracing, stiffner etc made out of MS channel, angle iron , flat iron of any size including drilling of holes, making clamps, eye hooks, nuts, bolts and washers etc including necessary welding if required and painting with two coats of aluminium paint over a coat of red oxide paint all as directed

M&L for loop type insulator, porcelain vitreous white or brown, with overall dimensions of 65mm x 90mm, clearance of hole 16mm all as specified and as directed including taking out old unserviceable insulator.

M&L for stay assembly complete with all accessories as shown in Electrical plate No. 1 of SSR Part-I all as specified and as directed including GI stay rod 16 mm dia 2150 mm long, MS stay plate of size 230 x 230 mmX 6mm thick GI stay bow including necessary bolts & nuts etc complete. Note : Excavation, foundation concrete, stay wire, clamps and loop insulator shall be measured and paid separately.

M&L for galvanised stay strand 7/ 3.15mm all as specified

M&L for pin type insulator, porcelain, vitreous, white, brown or green insulator of size 100 mm height, 65 mm dia for 1100 volts grade, including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron bolt including taking out the old unserviceable insulator and making good the all as specified and as directed. Make :- MYSORE/ BHEL/ PORCELAIN / JAIPURIA BROS / Jayshree / WS Insulators

M&L for Shackle type porcelain vitrous white, brown or green insulator including galvanised mild steel straps, washers, insulator bolts, washers and nuts with working pressure 1100 volts, height 100 mm, and 115 mm of dia, along with two Nos of strap 31mm x 5mm and 14 mm dia bolts complete all as directed, including taking out old unserviceable insulator. Make :- MYSORE/ BHEL/ PORCELAIN / JAIPURIA BROS / Jayshree / WS Insulators

M&L for plain cement concrete 1:4:8, type D2, using 40 mm graded stone aggregate for foundation, filling and mass concrete all as specified and as directed

M&L for plain cement concrete 1:3:6, type C1, using 20 mm graded stone aggregate as in foundation/ coping of poles including necessary form work and finishing the exposed concrete surfaces even and fair all as specified and as directed

M&L for removing old/burnt out jumper connection in binding with HT/LT lines from position including re-binding the same with new binding wire of size 3.25mm aluminium wire all directed by Engineer- in- charge

M&L for painting to existing steel tubular LT poles, 9m long including cross arms, channels, angle iron support, bracings, clamps etc. with two coats of aluminum paint superior quality of approved make on surfaces exposed to view and making 30cm wide strips (Total 5 Nos) with white and black paint alternately on external surface above PCC benching including preparation of old painted surfaces by scraping etc complete all as specified and directed.

M&L for Painting to existing PCC poles with yellow and black paint of strips 30cm wide (Total 5 Nos) alternately from base of pole above coping including writing MES No. on poles and preparation of old painted surfaces by scraping etc complete all as specified and directed.

M&L for MCCB 4 pole, 415 volts Magnetic thermal setting adjustable 70-100% including disconnecting the incoming/outgoing cable connections and re-connecting with suitable aluminum lugs/ferruls etc. after taking out the existing unserviceable and making good the disturbed surface for following capacity

160 Amps with breaking capacity 36 KA

200 Amps with breaking capacity 36 KA

250 Amps with breaking capacity 36 KA

400 Amps with breaking capacity 36 KA

630 Amps with breaking capacity 50 KA

800 Amps with breaking capacity 50 KA

M&L for Steel tubular swaged poles complete with base plate 8mm thick welded with pole, finial taper plug, bolt, nut and screws as specified type 410 SP-31 (9m long) including one coat of red-oxide zinc chrome primer and two coats of aluminium paint on surfaces exposed to view and making 30cm wide strips (total 5 Nos) with white and black paint alternately on external surface above PCC benching including numbering with black paint and painting with bituminous paint internally complete and externally for portion embedded in PCC including dismantling of old type of poles any length , complete all as specified and directed. Note : Excavation & earth work and PCC shall be measrued and paid separately under relevant item. Make : India Tube and Co, Kalinga tubes, The National tubing company, India Electric Poles Mfg Co

M&L for earthing for pole complete with galvanized steel earth plate electrode 600X600X6mm thick buried directly in ground (earth pit not less than 2.25m deep below normal ground level) with top edge of the plate not less than 1.5M below normal ground level connected to GI earth lead wire 4.0 mm dia by means of nuts, bolts, check nuts and washer of GI steel and connecting to testing point including provision of test point and all as shown in electrical plate No. 5 of SSR Pt I (2009). The quoted rate shall be inclusive of necessary earth work and PCC chamber with cement concrete 1:3:6 type C1 complete all as specified and directed (Note:- (a) GI wire beyond 7.5M shall be measured and paid separately (b) The rate shall deemed to be inclusive of the cost of earth work, excavation on any type soil and removal of surplus soil to a distance of 50 Mtrs, RCC 1:2:4 type B1 earth pit cover including 6 Nos of 6 mm dia CTD bar on both direction, earth lead protection GI pipe medium grade with suitable size from earth plate electrode to main switch board complete.

M&L for 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. as required GI wire 4.0 mm thick for inter connecting of earth electrodes.

M&L for Straight through joints (epoxy) suitable for 3 ½ core PVC insulated and PVC sheathed armoured LT underground cable with aluminium conductors including joint kits and labour complete for making joints all as specified and as directed for following : -

3 ½ core cable 25 Sqmm to 35 Sqmm

3 ½ core cable 50 Sqmm

3 ½ core cable 70 Sqmm

3 ½ core cable 95 Sqmm

3 ½ core cable 120 Sqmm to 150 Sqmm

3 ½ core cable 150 Sqmm to 185 Sqmm

Surface dressing not exceeding 15 cm deep in hard/dense soil including separating and stacking stone aggregate spread in the surface dressed area of installation yard of transformer/two/four pole structure kept aside for reuse and spreading the same after cleaned surface of installation all as directed by engineer-in-charge.

Supply and spread 40mm graded stone aggregate as approved quality for installation yard all as directed.

Cutting and removing the vegetation growth and surface dressing all around the installation yard including 4/2 pole structure area and to keep the installation area (external only) clean and tidy. Note :- All the sub station yards shall be kept clean through out the contract period by repeatedly removing the grass/weeds as and when grows and as required and directed by Engineer-in-Charge depending on the growth of the grass. However measurement shall be measured and paid only once during entire contract period.contractor shall quote his rate accordingly.

Spreading the taken out stone aggregate obtained from item No. 28 here in before over the areas of Installation yard an levelling complete all as directed.

Supply and laying LT UG cable 1100 Volts grade XLPE insulated PVC sheathed amoured, heavy duty, in trenches/walls/poles/passing through pipes with multistranded aluminium conductor including lugs/thimble/ferules connection, testing and commissioning complete for the following sizes.

4 core 16 Sqmm

3 ½ core 25 Sqmm

3 ½ core 35 Sqmm

3 ½ core 70 Sqmm

3 ½ core 185 Sqmm

3 ½ core 240 Sqmm

2 core 16 Sqmm

M&L for GI tubing medium grade with all fittings for cable protection fixed on poles/walls/laid under roads crossing etc and making good the disturbed surfaces/area for following sizes of pipes :-

25mm Bore

40mm Bore

50mm Bore

80mm Bore

Taking down carefully the existing defective street light / security light/ flood light fitting (LED/HPSV/MH/CFL) of any type/ make/ wattage from any height of pole/building alongwith fixing arrangements complete for servicing by checking and find out defective parts such as lamp/choke/ignitor etc and replace the same with new parts including minor repairs and provision for lamp holder, PVC insulated copper wire with in the fittings ,screws, bolts, nuts washers etc required to make the fitting serviceable and cleaning the fitting,perpex cover,bowl etc and refixing the fittings in its original position and testing fitting after installion .

NOTE FOR SL. IEM NO 34:

(a) Major spare for LED/HPSV/MH/CFL light fittings such as driver/lamps/choke/ignitor etc required for making fitting serviceable shall be measured and paid separately under relevant item.

(b) Quoted rate shall be inclusive for minor spares such as lamp holder,pvc copper cable for wiring with in the fitting ,necessary srews,bolts,nuts,washers etc and any other items required for making fitting serviceable

(c) Tools and plant,vehicle with necessary ladder arrangements etc required for taking down and refixing the fitting shall be arranged by the contractor on his own and vegetation on pole shall be cleared off and rate quoted shall deemed to be inclusive of above provision.

(d) Contractor shall depute his representative with one electrician once in week or as and when demanded by Engineer-in-Charge to carry out joint inspection for checking / functioning of street/ security lights in the entire area covered under contract to ascertain the serviceability and working condition of perimeter lights and the cost deemed to be included in the quoted rate.The rate quoted deemed to included for cleaning of vegitation on the LT pole.

Contractor shall depute one electrician and sufficient helper on all working days for receiving and attending complaints regarding the street light at MES complaint cell and the cost deemed to be included in the quoted rate.

Supply and fix GI brackets made out of GI pipe 40mm bore ,1.50 metre long ,bend to shape required including necessary MS clamps ,nuts ,bolts etc required for fixing street light fitting on top of the poles and taking down the existing GI brackets all as specified and directed

S&F in replacement of LED driver 25/40 watts complete all as specified and directed.

S&F in replacement of LED driver 45 watts complete all as specified and directed.

S&F in replacement of LED driver 90 watts complete all as specified and directed.

S&F in replacement of LED driver 100 watts complete all as specified and directed.

Supply only two core PVC insulated copper conductor cable 4.0 sqmm for making electrical connection to light fitting all as specified and directed.

S&F in replacement of PVC cable termination box of size 280mm x 170mm x 130mm with 4 No's aluminum bus bar of size 20mmx3mm mounted on post insulator with one No of 10 Amps porcealin cut out complete fixing on pole all as directed, including taking down the old unserviceable terminal box. NOTE :- (i) The quoted rate shall inclusive for 4 No's of aluminum bus bar with fixing arranment and one number single pole MCB 5 Amps to 10 Amps etc. and necessary clamps and nut bolt, washers etc required for fixing

S&F in replacement of street light fitting LED luminaries new generation energy saving & environmental friendly long life street light made up of pressure die-cast aluminium housing with high power LED as lighting source of 45 Watts and lens embedded PC cover having TOP opening seperate driver compartment with IP-66 protection and impact resistance of IK07 including connecting up with twin core 4 Sqmm aluminium cable etc., complete all as specified and directed. Make : Havells , Model : ENDURA PEARL NEO, Cat part No : ENDURAPEARLNEOSL45WLED757SASYTOPC or Equivelant make of Philips/ bajaj

All as per serial item No.42 here-in before but for 60 Watts with resistance of IK07 with 10KV built in surge protection device complete all as specified and directed. Make : Havells , Model : ENDURA PEARL PLUS, Cat part No : ENDURAPEARLPLUSSL60WLED757SASYTOPC or Equivelant make of Philips/ bajaj

All as per serial item No.42 here-in before but for 90 Watts with resistance of IK07 with 10KV built in surge protection device complete all as specified and directed. Make : Havells , Model : ENDURA PEARL PLUS, Cat part No : ENDURAPEARLPLUSSL90WLED757SASYTOPC or Equivelant make of Philips/ bajaj

All as per serial item No.44 here-in before but for 120 Watts with resistance of IK07 with 10KV built in surge protection device complete all as specified and directed. Make : Havells , Model : ENDURA PEARL MAGNUM, Cat part No : ENDURAPEARLMAGNUMSL120WLED757PASYTOTG or Equivelant make of Philips/ bajaj

S&F in replacement of Post top light fitting LED luminaries ,new generation ,energy saving,environmental friently ,long life aesthetically designed with symmetrical light distribution,spun aluminum landscape IP65 luminaire with high power LED as light sourceof 35Watts with lamp complete including connecting up with twin core 4 Sqmm aluminium cable etc., complete all as specified and as directed. Make : Havells , Model : RUBY(CLEAR)- IP65,Cat part No : RUBYPT35WLED757PSYMTOPC or Equivelant make of Philips/ bajaj

Supply & fix in replacement of PVC cable termination box of size 650 x 350 x 250 mm with 8 mm thick bakelite sheet for fixing MCCB, Contactor and timer switch of street light complete fixing on pole all as directed, including taking down the old unserviceable terminal box. Note :- (i) The quoated rates are included for necessary clamps and nut bolt, washers etc.

S&F solid state electronic type aviation obstruction light fittings with lamp of minimum 302 LED with cast aluminium alloy poly carbonate red colour and connecting up and testing complete on top of the hill/tower/over head reservior and other buildings all as directed.

Taking down existing solar standalone street light system of any capacity installed at perimeter at Madampakkam and Narendra place md accmmodation area. Dismandling all parts / fittings,cleaningout ,servicing solar luminaire of recess mounting , top up sulphuric acid into existing batteries up to required level, reinstaltion after replacing unserviceable parts connecting up and testing complete all as directed. Note :(i) spares required to made functioning the solar to be measured and paid relevent sch item seperatly (ii) The complete checking shall be at least once in 06 months.

S&F in repairs following spares /items for solar light fitting of any capacity including dismandling unserviceable items :- (i) Liquid Sulphuric acid with requsite specific gravity suitable for 12V, 60AH battery

(ii) GI Battery mounting box as per existing size

(iii) Solar panel , integrated with rating 75WP MAKE : VIN-NOVA or Equivelent make of MNRE

(iv) Solar LED street light, 30 Watts, 3000 Lumen ,with 175 lumen / watt efficinecy Make : Philips Model : Sunstay

(v) Solar lead acid tubular low maintenance flooded battery 12v ,100Ah Make : Exide Model : SOLATUBULAR &SOLARBLITZ Type : 6LMS 100 or Equivelant make of Luminous /Amron

(vi) Takind down existing damaged internal copper wiring from solar system .Rewiring with existing size of copper cable connection to PV Panel ,battery ,NTC ,RMU ,HCV inter face including replaced with any other damaged parts to making functional for the lighting system complete all as specified and directed

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