REPAIR MAINT OF EARTHINGPITS LEADS LIGHTENINGPROTECTION SYSTEMINSULATION RUBBERMAT CABLETRAYS CABLEDUCTS IN VARIOUS EM INSTALLATIONS AT IMSC WNC(O)MESS JYESHTA DHANISHTA COMPLEX ROBERTCOMPLEX ALONGWITH CONNECTED ITEM AREA UNDER CELL NO I II AT NOFRA

Amount

Note : (a) Functional tools & plants shall be carried by tradesman all time for attending any site. (b) Necessary ladder / cloth or any other material reqd. (c) Debris / site clearance immediately before leaving site. (d) Safety eqpt to be carried all time. (e) In case of non-adherence of any of above fine/ penalty to be carried as under:- (i) 1st Time - Rs 200/- (ii) 2nd Time - Rs 500/- (iii) 3rd Time - Warning to contractor. (f) In case of 3 warning to contractor, it will be reflected in WLR for slow progress. (g) Complaint registered upto 11:00AM & emergency complaint to be attended same day. (h) Complaint Team consist of 02 Electrician alongwith reqd helpers.

M & L for in repair PCC chamber of size 310x305mm, (1:3:6) type C-1(using 20mm graded stone aggregate) and 40 mm thick all as specified and directed by Engr - in - Charge.

M & L for in repair RCC pit cover of size 310x305mm, in RCC (1:2:4) type B-1 (using 20mm graded stone aggregate) using 6 mm dia MS round bars @ 150 mm C/C both ways all as specified and directed by Engr - in - Charge.

M&L in repair/ Replacement 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 strips 32 x 6 mm

M&L in repair/ Replacement 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 strips 25 x 4 mm

S & F in repair test points terminal block made of gun metal or phosphorus bronze size 75x75x25mm drilled and screwed including 3nos 8mm dia 25mm long hexagonal head screw building lightning earth test point complete all as specified and directed.

Material and Labour for laying of in repair old alluminium earthing strips all as specified and direcetd.

M&L in repair/ Replacement of Air termination, single pointed aluminium rod 12mm dia and 300mm long

M&L in repair/ Replacement of earthing complete with galvanized steel earth plate electrode of size 600 x 600 x 6 mm thick buried directly in ground to a depth not less than 2.25 mtr below the normal ground level with top edge of earth plate not less than 1.50 mtr below the normal ground level and connected to GI strips 32 x 6 mm by means of nut, bolt & washer and protected by 40mm dia GI pipe light grade and watering pipe of 20mm dia GI pipes light grade and connected to earth test point including necessary excavation, earth work, PCC chamber (1:3:6) type C-1(using 20mm graded stone aggregate) and 40 mm thick RCC pit cover in RCC (1:2:4) type B-1 using 6 mm dia MS round bars @ 150 mm C/C both ways all as shown in electrical plate No. 5 of SSR Part-I all as specified and directed.

M&L in repair/ Replacement of earthing complete with galvanized steel earth plate electrode of size 600 x 600 x 6 mm thick buried directly in ground to a depth not less than 2.25 mtr below the normal ground level with top edge of earth plate not less than 1.50 mtr below the normal ground level and connected to galvanised earth lead wire 4.0mm dia by means of nut, bolt & washer and protected by 40mm dia GI pipe light grade and watering pipe of 20mm dia GI pipes light grade and connected to earth test point including necessary excavation, earth work, PCC chamber (1:3:6) type C-1(using 20mm graded stone aggregate) and 40 mm thick RCC pit cover in RCC (1:2:4) type B-1 using 6 mm dia MS round bars @ 150 mm C/C both ways all as specified and directed.

Materal and labour for in repair CPT Cirprotec CPT-L ESE Lighting rod with stainless steel body type advance lightning protection system in compliance with standard NFC 17-102 & UNE 21186-96, working on principle of early streamer emission technology which will offer level 1 protection for upto 42 mtrs radius when mounted on the RCC concrete base on building at a height of 4.5 mtrs from the place to protected complete all as specified and directed.

Supply and erection of in repair mounting structure of 4.5 mtrs height with base plate suitable for roof mounting on RCC concrete base on building complete all as specified and directed.

Supply and fixing of in repair 1x 70 sqmm Aluminium conductor with 0.5 mm thick PVC sheathed cable complete all as specified and directed.

Supply and fixing in repair 4 digital electromechanical lightning event counter in weather proof resistance complete all as specified and directed.

Supply and fixing of in repair test link for connecting the earth pit and down conductor complete all as specified and directed.

Material & labour for in repair maintanance free enviroment friendly earth elctrode set comprising of 17.2mm dia, 3m long rod low carbon steel molecular copper bounded for a thickness of 250 micro OHMS, highly conductive ANS/INSF STD-60 certified carbon bound backfill compound which shall set like concrete according to BS 7430 & IEEE 80 (each bag shall contain 50 Ibs) complete all as specified and directed.

Supply and fix in repair/ replacement of GI pipe light grade 20mm dia for support to copper cable down conductor complete through wall/ ceiling/ truss/ duct etc including fixing with clamp, nuts, bolts complete all as specified and directed.

Supply and fix in repair/ replacement of GI pipe light grade 40mm dia for support to air termination rod including fixing with clamp, nuts, bolts complete all as specified and directed.

Road/PCC cutting neccesary for laying of 40mm GI pipe for cable protection and making good complete all as specified and directed.

Material & labour for chequered plate as per site requirement including cutting to required shape and appling two coat of synthetic enamel paint over a coat of red oxide primer and all as directed

S & F Cable Tray of min size 150 mm x50 mm for laying of electric cables at meter rooms/common areas etc through walls/ducts etc complete all as specifed and directed by Engineer - in - Charge.

Material and Labour required removing the cable from LT Panel and and cleaning the cable ducts and arranging the cable in proper sequence and removing all the dummy cable in various substation and meter rooms

Supply & fix electrical Insulating mat confirming to IS15652/2006 class B, minimum thickness 2.5 mm , maximum leakage current 10mA, low temperature, flame retardance using at power houses including pasting of rubber mats with adhesive resin all as specified and directed by Engineer-in-Charge.

Supply of PVC DLP - On wall trunking with all finishing accessories (end, joint of lid, joint of body,interior angle, exterior angle, flat angle, derivation) confirming standard EN 50085-2-1.Trunking should accept Wiring device with all the functions by associating the accessory of installation.Trunking should confirm to the current specifications of NF C 68-104 in terms of both performance and level of functions provided by the system. Installation trunking (which carries electrical wiring accessories) should be type 3 (installation)in the new standard.Material should be Non-flame propagating. Degrees of protection provided by enclosure should be IP 40. Protection against mechanical impact should be IK 07. Trunking should be delivered in length of 2m. The trunking covers and partitions should be in PVC white RAL 9003.The accessories should be in plastic ABS white RAL as per following details:-

S & F in replacement of PLASTIC TRUNKING 105MMX50MM with 2 Compartment with following acessories complete all as specified and directed by Engineer - in - Charge.

(i) FLEXIBLE COVER 40MM WIDTH - 2 covers

(ii) CLIP ON PARTITIONS

(iii) BASE JOINT

(iv) JOINT FOR 40MM WIDTH COVER

(v) INTERNAL ANGLES-ADJ FRM 80 DEG

(vi) EXTERNAL ANGLES-ADJ FRM 60 DEG

(vii) FLAT ANGLES

(viii) END CAP

S & F in replacement of PLASTIC TRUNKING 195MMX50MM with 2 Compartment with following acessories complete all as specified and directed by Engineer - in - Charge.

(i) FLEXIBLE COVER 85MM WIDTH

(ii) CLIP ON PARTITIONS

(iii) BASE JOINT

(iv) JOINT FOR 85MM WIDTH COVER

(v) INTERNAL ANGLES-ADJ FRM 80 DEG

(vi) EXTERNAL ANGLES-ADJ FRM 60 DEG

(vii) FLAT ANGLE FOR 195X50-DLP TRU

(viii) END CAPS

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M/s Qureshi Construction Co (BID ID -3112931)

S S ENTERPRISES (BID ID -3125119)

SHREE JAGDISH FURNITURE CO. (BID ID -3125579)

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shree arihant constrution (BID ID -3108387)

Shree Gajanan Enterprises (BID ID -3107896)

OM SAI POWER SYSTEMS (BID ID -3121479)

M K ENTERPRISES (BID ID -3109030)

B P ENTERPRISES (BID ID -3112368)

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