SPECIAL REPAIR TO OH LINE TO UG LINE FROM NWC ADMIN BUILDING TO NIVEDITA (VIA OBSTACLE COURSE) AT INS MANDOVI UNDER GE (P) NAVY MANDOVI

Amount

Dismantling old cross-arms of M.S. channel or angle sections etc. complete and setting aside for re-use with in 50m complete all as specified and directed.

Dismantling old ACSR or AAC conductors complete all as specified and directed.

Dismantling old insulators any type, any size complete all as specified and directed.

Supplying, laying, jointing, testing and commissioning of LT XLPE insulated, armoured, heavy duty electric cables with multistranded aluminium conductor of 3.5 core, 95 Sqmm, shielded core type wrapped with tape screwed galvanized strip, suitable for earthed system for 1100V, AC 50 cycle including sufficient cable route indicators complete all as specified and directed. Note: Excavation, PCC, covers and cable protection shall be measured and paid separately under relevant items of this schedule.

Supplying, laying, jointing, testing and commissioning of LT XLPE insulated, armoured, heavy duty electric cables with multistranded aluminium conductor of 4 core, 16 Sqmm, shielded core type wrapped with tape screwed galvanized strip, suitable for earthed system for 1100V, AC 50 cycle including sufficient cable route indicators complete all as specified and directed. Note: Excavation, PCC, covers and cable protection shall be measured and paid separately under relevant items of this schedule.

S & F DB box, to be fixed on existing LT poles, suitable for terminating 4 x 16 Sqmm UG electric cable including 2 nos cable glands, lugs, connector and 01 No MCB SP 6 Amp complete all as specified and directed. Make : Sintex Model No GSJB-1414/ National/ Hensel or equivalent

S & F 2.5 sqmm 3 core copper cable (for phase, neutral & earthing) run through and including 20 mm dia PVC conduit properly clamped to pole from DB to fitting through bracket complete all as specified and directed. Note: 01 run of 3 core copper cable and 01 run of PVC conduit shall be measured as unit length

Excavation in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, laying cables, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out in soft/disintegrated rock complete all as specified and directed.

M & L for providing cement concrete 1:3:6 type D2 using 40mm graded aggregate as in foundations, filling and mass concrete complete all as specified and directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick in soft/disintegrated rock complete all as specified and directed.

Removing excavated rocks to a distance n exc. 50m and depositing where directed at a level n exc. 1.5 m above tile starting point complete all as specified and directed.

Supply and laying fine dry river sand for cable protection in trenches for cable protection complete all as specified and directed. Note : Punned thickness only will be measured & paid.

Supplying and laying un-reinforced precast concrete cable cover for cable protection, class LV, type I, flat, size 250mm x 150mm x 40mm, ISI marked complete all as specified and directed.

Supply and laying 80mm dia bore light grade GI tubing in trenches/on pole/road crossing for cable protection complete all as specified and directed.

Supply and laying 50mm dia bore light grade GI tubing in trenches/on pole/road crossing for cable protection complete all as specified and directed.

S & F in repairs MCCB 4-pole busbar box, outdoor type, made out of 3.15 mm thick MS sheet of size with 4 nos aluminum bus bars of 200 Amp capacity for connecting heavy duty cables upto 3.5 core 150 sqmm as incoming and two cables upto 150 Sqmm as outgoing along with 125 Amp 4 pole MCCB including lugs, glands, nuts, bolts & washers of suitable sizes, proper insulation for fixing 50 cm above ground level on pole / angle iron frame of suitable size, necessary excavation and PCC work complete all as specified and directed.

S & F nature time switch of 3 phase, 5 KW/phase with manual and auto function, for street lighting, including nature light sensor, suitable capacity contactors, MCBs for incoming and outgoing circuits totally enclosed in water/dust proof SMC box with viewing glass arrangement fixed on pole/wall along with clamps, nut & bolts etc complete including testing and commissioning of timer complete all as specified and directed.

S & F cable jointing kit for 1.1 KV grade cable for straight through joint complete with jointing material (epoxy based) and accessories suitable for 3.5 core XLPE armoured, Al conductor cable of size 70 to 150 sqmm complete all as specified and directed.

M & L for providing earthing complete with galvanised steel earth plate electrode 60cm x 60cm x 6 mm thick burried directly on ground earth pit n. less than 2.25 m deep below the ground bend with top edge of the plate n. less than 1.5m below ground level connected to GI strip of size 32 x 6 mm as earth lead by means of bolts, nuts, checks nuts and washers of galvanised steel including necessary earth work and excavation in any strata and PCC 1:3:6 type C2 chamber and chamber cover and light grade GI pipe 40 mm dia for protection of earth strip and GI wire etc complete all as per electrical plate No. 3 of SSR Part-I including connecting with earth testing point and testing on completion; complete all as specified and directed. Notes:- On testing after completion if the desired earth resistance is not obtained, the earthing shall be redone at no extra cost.

M & L for providing earthing complete with steel earth plate electrode 60cm x 60cm x 6 mm thick buried directly in ground vertically, earth pit not less than 2.25 mtr below ground level, with top edge of plate not less than 1.5 mtr below ground level connected to GI earth wire 4mm dia by means of GI bolts, nuts, check nuts and washers etc including 20mm dia light grade GI pipe for protection of earth strip, connecting the earth lead to earth connection in the main distribution box with lugs and GI nuts, bolts etc as shown on electrical plate No 3 of SSR part 1 including neccessary earth work in any strata, PCC earth chamber in PCC 1:3:6 type C2, 100mm thick precast RCC cover and earth test point and testing complete all as specified and directed. Notes:- On testing after completion if the desired earth resistance is not obtained, the earthing shall be redone at no extra cost.

Shree Ayyappa Engineering

NATIONAL ENGINEERING CORPORATION