REPAIR MAINTENANCE OF EARTHING PITS EARTH LEADS STRIP EARTH TEST POINT LIGHTING ARRESTOR AND OTHER CONNECTED WORK AT TECHNICAL NON TECHNICAL AREA LT FEEDER PILLAR AT NAVAL STATION KARANJA

Amount

Notes : (i) The work consists of 01 job as under:- JOB (A) : TPP 23-24 Ser No. 78 (ii) Please refer schedule 'A' notes before quoting the tender. (iii) Amount of Schedule of Credit shall be deducted off line by the department. ITEMS FOR JOB 'A'

S&F in repairs air termination single pointed aluminium rod 12 mm dia and 300 mm long with necessary fixing arrangement on blocks on roof including taking down unservicable air termination complete all as specified and directed

S&F in repairs air termination single pointed copper rod 12 mm dia and 300 m long with necessary fixing arrangement on blocks on roof including taking down unservicable air termination complete all as specified and directed

All as per BOQ Serial item No 2.00 above but of 1.00 mtr long 12 mm dia and making suitable arrangement for fixing of 1 mtr rod on roof including taking down unservicable air termination complete all as specified and directed.

S&F copper strip 32 mm x 6 mm buried in ground for earth continuity conductor or fixed to porcelain, insulator fixed to wall as in repairs including taking down unservicable strip complete all as specified and directed

All as per BOQ Serial item No 5.00 above but of 25x3.15mm complete all as specified and directed.

M&L for removing & refixing of air termination single pointed aluminium rod 12 mm dia and 300 mm long by tightening with necessay fixing arrangement fixed on existing/new PCC blocks on roof and making good complete all as specified and directed.

M&L for removing & refixing of air termination single pointed copper rod 12 mm dia and 300 mm long by tightening with necessay fixing arrangement fixed on existing/new PCC blocks on roof and making good complete all as specified and directed.

All as per BOQ Serial item No 8.00 above but 1.00 mtr long but fixed on ceiling on roof

S&F aluminium strip of size 25 x 3.15 mm fixed with suitable saddles & fixing screw etc on roof with rubber & bitumen washer & fixed to insulator on wall for down conductor as fixed in repairs including taking down u/s strip complete all as specified and directed

All as per BOQ Serial item No 10.00 above but GI strip of 32x6mm on wall/surface for conductors or as earth continuity conductor all as specified and directed. Note for item No. 10.00 & 11.00 :- Porcelain Insulator & PCC required shall be measured and paid for separately under relevant items of Sch

S&F test point terminal block made of gun metal or phosphorus bronze size 75 x 75 x 25 mm thick drilled and screwed including 3 Nos 8 mm dia 25 mm long hexagonal head screws fixed to GI strip bracket fixed to porcelain insulator in wall as in repairsincluding taking down u/s terminal block complete all as specified and directed Note :- Porcelain insulator will be measured & paid for separetely.

S&F vitreous china porcelain insulator with busbar support white type including taking down unservicable vitreous china porcelain complete all as specified and directed

Re fixing in repairs only aluminium strip of size 20/25 mm x 3.15 mm fixed to procelain insulator fixed with suitable saddles & fixing screws etc for roof with rubber & bitumen washer & fixed to insulator only on wall for down conductor, complete all as specified and directed

Re fixing in repairs only copper strip of size 25 mm x 3.15 mm fixed to procelain insulator fixed with suitable saddles & fixing screws etc for roof with rubber & bitumen washer & fixed to insulator only on wall for down conductor, complete all as specified and directed

Re fixing in repairs only copper strip of size 20mm x 3.15 mm fixed to procelain insulator fixed with suitable saddles & fixing screws etc for roof with rubber & bitumen washer & fixed to insulator only on wall for down conductor, complete all as specified and directed

Re fixing in repairs only copper strip of size 32mm x 6 mm fixed to procelain insulator fixed with suitable saddles & fixing screws etc for roof with rubber & bitumen washer & fixed to insulator only on wall for down conductor, complete all as specified and directed

All as per BOQ Serial item No item no 17.00 above but GI strip of 32x6mm

S&F in replacement MCCB 160 A,adjustable type ,3 pole 415 volt 25 kA breaking cap. With adjustable over load,short circuit ,ground fault (3 pole) conforming to IS/IEC-60947-2 with spreader terminal kit complete all as specified and directed.

S&F in replacement MCCB 200 A,adjustable type , 3 pole 415 volt 25 kA breaking cap. With adjustable over load,short circuit ,ground fault (3 pole) & fixed instantanous neutral protection(4 pole), conforming to IS/IEC-60947-2 with spreader terminal kit complete all as specified and directed.

S&F in replacement MCCB 250 A,adjustable type , 3 pole 415 volt 36 kA breaking cap. With adjustable over load,short circuit ,ground fault (3 pole) & fixed instantanous neutral protection(4 pole), conforming to IS/IEC-60947-2 with spreader terminal kit complete all as specified and directed.

S&F in replacement MCCB of 400 A, adjustable type, 3 pole 415 volt 50 kA breaking cap. With adjustable over load,short circuit ,ground fault (3 pole) & fixed instantanous neutral protection(4 pole), conforming to IS/IEC-60947-2 with spreader terminal kit complete all as specified and directed.

S&F in replacement MCCB of 160 A,adjustable type , 4 pole 415 volt 16 kA breaking cap. With adjustable over load,short circuit ,ground fault (4 pole) & fixed instantanous neutral protection(4 pole), conforming to IS/IEC-60947-2 with spreader terminal kit complete all as specified and directed.

S&F in replacement MCCB 200 A,adjustable type , 4 pole 415 volt 25 kA breaking cap. With adjustable over load,short circuit ,ground fault (4 pole) & fixed instantanous neutral protection(4 pole), conforming to IS/IEC-60947-2 with spreader terminal kit complete all as specified and directed.

S&F in replacement MCCB 250 A,adjustable type , 4 pole 415 volt 35 kA breaking cap. With adjustable over load,short circuit ,ground fault (4 pole) & fixed instantanous neutral protection(4 pole), conforming to IS/IEC-60947-2 with spreader terminal kit complete all as specified and directed.

S&F in replacament MCCB of 400 A, adjustable type, 4 pole 415 volt 50 kA breaking cap. With adjustable over load,short circuit ,ground fault (4 pole) & fixed instantanous neutral protection(4 pole), conforming to IS/IEC-60947-2 with spreader terminal kit complete all as specified and directed.

S&F aluminium bus bar red,yellow,blue and black colour coded heat shrinkable sleeve of size 25 x 5 mm fixed with suitable ss nut bolts etc in LT Panel including taking down u/s bus bar complete all as specified and directed

S&F aluminium bus bar red,yellow,blue and black colour coded heat shrinkable sleeve of size 40 x 10 mm fixed with suitable ss nut bolts etc in LT Panel including taking down u/s bus bar complete all as specified and directed

S&F aluminium bus bar red,yellow,blue and black colour coded heat shrinkable sleeve of size 60 x 10 mm fixed with suitable ss nut bolts etc in LT Panel including taking down u/s bus bar complete all as specified and directed

S&F SS nut bolts ,clamp ,screw of different size and sample complete all as specified and directed.

M&L for testing of Lightning Conductor & earthing except new earthing on Serial No 32 to 36 here-in-after at various EM installation at residential area in the presence of Engineer-in-Charge & maintaining record of tests for lightning conductor as per IAFW -2215 by removing all connection and the resistance of earthing & lightning protection network should not exceed 5 Ohm in every technical building showing the details of defective earthing & lightening protection system. Items to be repaired/renewal during record of sets for lightening conductors as per IAFW 2215 & also test results to be recorded after repair/renewal and should be signed by users also Note :- (i) The earthing showing result beyond 10 ohm to be renewed and shall be measured & paid for separately under relevant item of BOQ (ii) The test result after renewal of earthing and replacement of defective conductor also be recorded in earthing test book as per IAFW-2215 for lightening conductor & cost for the same is deemed to be included in unit rate of above item. (iii) The unit rate quoted shall be deemed to be included for the test results of all existing earthing point, date of testing and renewal etc to be written on wall of each building in clear format like stenzil etc as per direction from engr-in-charge with out any extra cost. (iv) The testing of new earthing covered under item Nos 32 to 36 are not covered in this item.

Earthing with galavanised steel earth plate elctrode 600mm x 600mmx6mm thick buried directley in ground, (earth pit not less than 2.25m below ground level), with the top edge of the plate not less then 1.5 m below the normal ground level, connected to 4 mm GI wire and riveted to earth plate,GI earth wire will be protected by using 40mm bore GI pipe (light grade) from earth plate to equipment and watering pipe 20mm bore (light grade), chamber and coping shall be made in PCC (1:3:6) type C1 using 20mm graded stone aggregate, RCC pit cover 50mm thick in 1:2:4 type B1 using 20mm graded stone aggregate reinforeced with 8mm dia TMT bar @ 80mmc/c both way with lifting hook made out of 8mm dia TMT bar duly embedded in RCC cover in lieu of CI pit cover with angle iron frame including excavation and earth work and removal of surplus soil complete all as shown in electrical plate No 3 of SSR Part I and as specified including charcoal dust, common salt complete and earth lead connected to earthing test point/main point and testing of earthing complete as directed. (Note:- Main earthing lead from earth plate to test point & upto 7.5mtr to be provided & taking down u/s earthing and the cost of the same shall deemed to be included in the quoted rate).

M&L earthing complete with GI earth plate electrode of size 60 cm x 60 cm x 6 mm thick burried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate not less than 1.5 m below the normal ground level connected with GI strip 25 x 4 mm by means of bolts, nuts, check nuts & washers of galvanished iron steel including necessary excavation and earth work in any type of soil, removing surplus soil to a distance not exc 50 m, with and including PCC chamber in PCC (1:2:4) , type B1, using (20 mm graded stone aggregate), mild steel angle iron frame made out of MS angle iron of size 40x40x6 mm thick duly painted with two coats of synthetic enamel paint over one coat of red oxide zinc chrome primer hinged with and including 6mm thick CI cover with handle, watering arrangement with funnel internally secured with wire mesh with 20 mm dia medium grade pipe for watering ,40 mm dia light grade GI pipe for lead protection in & including alternate layers of charcoal dust and common salt complete all as shown in electrical plate No 3 of SSR Part-1(2009) connected to earthing test point all as specified and indicated including testing on completion & taking down u/s earthing

M & L earthing complete with GI earth plate electrode of size 60 cm x 60 cm x 6 mm thick burried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate not less than 1.5 m below the normal ground level connected with GI strip 32 x 6 mm by means of bolts, nuts, check nuts & washers of galvanished iron steel including necessary excavation and earth work in any type of soil, removing surplus soil to a distance not exc 50 m, with and including PCC chamber in PCC (1:2:4) , type B1, using (20 mm graded stone aggregate), mild steel angle iron frame made out of MS angle iron of size 40x40x6 mm thick duly painted with two coats of synthetic enamel paint over one coat of red oxide zinc chrome primer hinged with and including 6mm thick CI cover with handle, watering arrangement with funnel internally secured with wire mesh with 20 mm dia medium grade pipe for watering ,40 mm dia light grade GI pipe for lead protection in & including alternate layers of charcoal dust and common salt complete all as shown in electrical plate No 3 of SSR Part-1(2009) connected to earthing test point all as specified and indicated including testing on completion & taking down u/s earthing

All as per BOQ Serial item No. 34 above, but with copper earth electrode of size 60 cm x 60 cm x 3.15 mm thick & earth continunity lead of size 20 mm x 3 mm copper strip, complete all as specified and directed 'Note :-for item No.32 to 36 :- (i) copper/Aluminium strip upto 7.5 m will be deemed to be inluded in quoted rate (ii) The earth chamber shall be constructed 50 cm away from the edge of earth pit & the cost of the same is deemed to be included in rate quoted for above items (iii) The rates quoted are also deemed to be included for cost of new test point as specified.

Supply and installation a set of maintanance free earthing system consisting of 6 number of copper bonded earth rod of 17.2mm dia x 2.5 mtr length with coated with 250 micron electrolytic grade copper tested on 25 KA fault current by CPRI with driving head and tip to directly drive the earth rod to the ground with each rod interconnected with 32x6mm copper strip at the interval of 2mtr to form a square complete all as specified and directed. NOTE:- (i) The rate includes testing of earthing system and getting the earthing value less than 2 ohm in any soil condition. (ii) Chemical compound not less than 15 Kg for one rod and 90 Kg for 06 Copper rod will be brought by contractor and price of that compound deemed to be include in quoted rate by the contractor. (iii) Copper Strip of size 32x6mm approx 7.5 RM deemed to be including in quoted rate.

S&F in repairs GI funnel suitable for GI/ Copper earthing complete including taking down u/s funnel all as specified and directed.

M&L for Raw salt with mixing with water and pouring in existing earthing complete all as specified and directed.

M&L PCC (1:2: 4) type BO, using (12.5 mm graded stone aggregate) of blocks size and IE rules including necessary use and waste of form work as in grounting of porcelain insulator, complete all as specified and directed

M&L for PCC (1:2:4) type B1, using (20 mm graded stone aggretgate) for earth chambers as in repairs, coping for GI pipe post including necessary form work, excavation any type of soil, returning in filling and removing surplus soil to a distance n. exc 50 mtr and deposing where directed.

Removing existing worn out CI cover with angle iron frame of earth chamber and supply and fix new CI cover of size 30 cm x 30 cm x 6 mm thick fixed in frame made out of mild steel angle iron 40 mm x 40 mm x 6 mm thick with and including locking and lifting arrnagement, painting with two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer taking down u/s CI Cover complete all as specified and directed

S&F and laying 20 mm dia, GI pipe, light grade, burried in trenches as earth continuity protection as in repairs, including necessary excavation and earth work in hard/dense soil, returining & filling in, watering and well ramming, removal of surplus soil to a distance not exc 50 mtrs including taking down u/s pipe complete all as specified and directed.

S&F and laying 40mm dia, GI pipe, light grade, burried in trenches as earth continuity protection as in repairs, including necessary excavation and earth work in hard/dense soil, returining & filling in, watering and well ramming, removal of surplus soil to a distance not exc 50 mtrs including taking down u/s pipe complete all as specified and directed.

M.K Enterprises (BID ID -3072257)

BALAJI TRADERS (BID ID -3070668)

Sagar Electricals (BID ID -3074715)