SPECIAL REPAIR/ REPLACEMENT AND RE-ROUTING OF HT CABLES WITH CONNECTED ITEMS FROM SHEKHAWATI 33 KV GRID TO KARAM VIHARSUB STATION UNDER GE (U) ELECT SUPPLY, DELHI CANTT-10.

Amount

Excavation in trenches not exc. 1.5 m wide and not exc 1.5 mtr depth in soft loose soil for laying / taking up/ taking down of cables and getting out and levelling of bottom surface to required level all as specified and directed by Engineer- in- Charge. Note :- If during the Excavation of HT Cables existing Under Ground LT/HT Cables Gas Pipe Lines Water Pipe Lines will be damaged by The Contractor Same shall be repair by the contractor at his own cost and noting extra will be admissible on this account.

Returning filling in, Including spreading, levelling,. Watering and well ramming soil in layers not exceeding 25 cm thick all as specified and directed.

Removing excavated material (i.e. soil) from site to a distance n. exc 50 mtrs away and depositing where directed at a level n. exc. 1.5 mtr above the starting point all as specified and directed by Engineer-in-Charge.

Material and labour for river washed and screened, dry sand for filling in trenches below and around underground cables for cushioning of cables etc, complete all as specified and directed by Engineer-in-Charge. Note:- Punned thickness shall measured and punning shall be done by hand; Mechanical punner shall not be allowed..

Supply & laying non-reinforced precast concrete cable cover of grade not lower than M-20 conforming to IS-5820:1970 class HVP type 1 with peak size 300 mm x 180mm x 40mm in trenches for protection to under ground cable complete all as specified and directed by Engineer-in-Charge.

Laying only old bricks/pcc covers as obtained from ser item no 01 complete all as specified and directed by Engineer in charge .

Supplying, laying, jointing testing and connecting XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) 300 sqmm 3 core with multistranded aluminum conductors, 11 KV grade, IS 7098 marked, suitable for HT 11 KV(E) system, laid in trenches / ducts / encased in GI pipe / fixed to pole, including jointing & testing including taking out old HT cables complete all as specified and directed. Note :- Excavation, earth work ,cable protection , sand fillings , cable joint shall be measured and paid separately under respective items of schedule.

M&L for Boring of holes under road, pavement, hard standing by trenchless technology using ultra sounding technique and necessary machine including HDPE pipe of 150 mm bore suitable for 0.6 MPa working pressure complete all as specified and directed by Engineer-in-charge.

S&F precast cable route indicator made of RCC (Nominal Mix) type B0 1:2:4 (12.5mm graded stone aggregate) with 8mm TMT Bar 150mm c/c of size 1m height X 60cm wide X 10cm thick tapered on top, visible above ground, duly painted with synthetic enamel paint of yellow colour base and letters with black paint. The description for writing for HT cable 11 KV as directed by Engr-in-charge complete all as specified and directed. Note : Rate for PCC 1:3:6 for foundation (min size 0.8mx0.3mx0.3m) of aggregate size 20mm including necessary excavation & earthwork for cable route indicator deemed to be included in the item.

Boring of hole under road/pavement/hard standing or any other situation by manual means and suitable for passing of GI pipe 150 mm bore and making good both ends all specified and directed.

M/L for HDPE pipe of suitable for 4 kgf/cm2 working pressure with all fitting , laid in trenches for protection of cable in road /drain crossing of 150 mm sizes.

Taking out faulty underground 11000 Volt LT cable of different sizes by excavation and removing bricks/cable covers of any size and relaying in the same trenches or re routing after rectification of fault or replacing faulty portion of cable with new cable and removing of surplus soil and using new bricks/cable covers as required. Note: (a) 11000 Volt LT cable & joints shall be measured and paid for separately under respective items of schedule. (b) Retrieved old serviceable bricks/cable covers will be laid in trenches for cable protection. If extra bricks/PCC cable cover and sand required at site shall be measured and paid separately under respective items of BOQs. (c) Excavation and earth work will be measured and paid for separately under respective items of schedule.

Supply, installing, testing and commissioning of factory made and tested HT Panel board, size: 1200 mm x 1200 mm x 900 mm ,cubical compartmentalized , out door type double door, suitable for 11000 Volts, 3 phase, 50 HZ AC supply system having bus bar chamber with insulated aluminium bus bars of size ,50 mm x 10 mm, 3 Nos installed on SMC insulators suitable for 11000 Volts .The panel shall be dust and vermin proof. IP-65 class protection and shall be made of 3.15 mm CRCA MS sheet, and 50x 50 x 6mm thick MS angle iron frame work, powder coated front and rear opening type, with apron for cable entry closing locking . The fixing of double doors shall be on MS hinges with anti-theft provision (the door can’t be removed from enclosure without cutting enclosure). including excavation, earth work and platform for the panel with PCC 1:4:8 type D-2 with 40 mm graded crushed stone, 15 cm thick in foundation, brick work in CM 1:6 with sub class 'B', old size bricks, rendering 15 mm thick in CM 1:6 on exposed surfaces and 100 mm thick PCC padding 1:3:6, type C-1 using 20 mm graded crushed stone aggregate on top and grouting bolts etc for panel. The platform shall be such that it is of a height 45 cm above the nearest road level complete all as specified and directed by Engr-in-charge.

Supply and fixing Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armored aluminum conductor cable of following size 240 sqmm to 300 sqmm 3 core

Earthing complete with galvanized steel earth plate electrode of size 60cmx60cmx6 mm thick, buried directly in ground (earth pit not less than 2.25 m below normal ground level) with top edge of earth plate not less than 1.5m below normal ground level, connected to galvanized lead wire 4mm dia by means of bolts, nuts, check nuts and washers of galvanised iron or steel as shown in electrical plate No 3 of SSR Part I, connected to earth test point and the equipment on the other nuts and washers of galvanised iron side complete all as specified, including testing and commissioning complete all as directed. Note : (a) The unit rates quoted against this item shall be deemed to include the cost of excavation and earth work in any type of soil, common salt & charcoal dust in alternate layers, PCC 1:3:6 as in pit, precast RCC 1:2:4 type B-1 with necessary reinforcement as in cover & frame for pit, funnel, watering pipe 20 mm bore GI pipe light grade, protection pipe 40 mm bore GI pipe medium grade etc. (b) The quoted rates shall also deemed to include the cost of earth test point and earth strip/GI lead wire and protection pipe upto 7.5 meter beyond the earth plates electrode.

Supply and fixing Cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armored aluminium conductor cable of size 240 sqmm to 400 sqmm.

M&L for Brick work with sub-class 'B' bricks, straight or curved on plan exc. 6 m mean radius, built in cement mortar 1:6 complete as specified and directed .

M&L Rendering 15mm thick on fair faces of brick work or concrete surfaces in cement mortar (1:4) finished fair and even without using extra cement complete as specified and directed.

M & L for PCC 1:3:6 type C-2 (using 40 mm graded aggregate) for foundation, filling and mass concrete etc. complete all as specified and directed .

S&F equal Angle iron, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint.

S&F 4 mm thick mild steel wire 75x25 mm mesh up into mattresses or cages, lapped wired and fixed in position including welded for fencing to grid including one coat of primer and two coat of synthetic enamel paint complete all as specified and directed.

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