SPECIAL REPAIR REPLACEMENT OF OLD VINTAGE LT UNDERGROUND CABLE AND CONNECTED WORKS

Excavation in trenches not exceeding 1.5 mtr in width and not exceeding 1.5 mtr in depth and getting out in soft/loose soil for laying of cables, pipes and foundations etc, complete all as specified and directed.

Returning, filling in including spreading, levelling, watering and well ramming in layers not exc 25 cm thick, complete all as specified and directed.

Removing surplus excavated material (soil) not exc 50 meter and depositing where directed at a level not exc 1.5 meter above the starting point, complete all as specified and directed.

Material and labour for Spreading ribbed soil in trenches as in cable cushioning all as per IS 1255-1983, complete all as specified and directed. Note :- (i) Excavated approved soil shall be ribbed by using sieve to separate composite particles etc. as per IS and refilling in trenches before laying of cable 8 CM and 15 CM after laying of cable. This is then gently punned down to a depth of 10 cm above the top of upper most cable (ii) For the purpose of measurement only punned thickness shall be considered for payment.

Material and labour for well burnt bricks ‘B’ class as mechanical protection to under ground cables laying with length of the bricks equal to the width of the trench, complete all as specified and directed.

Material and labour for Cutting existing road/PCC/Drain for laying of GI or any type of pipe including necessary earth work, excavation exc 600mm depth but not exc 1mtr depth, 800 mm wide including making good existing surface with 150 mm thick PCC 1:2:4 type B1 using 20mm graded stone aggregate, complete all as specified and directed. Note :- The tenderer shall take into consideration for following points while quoting rate for this item and the unit rate is deemed to be inclusive for :- (i) Earth work and excavation in any type of soil (ii) Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc. 25 cm thick ,complete all as specified and as directed. (iii) Removing excavated material out side MD land. (iv) 150 mm thick PCC 1:2:4 type B1 using 20mm graded stone aggregate as in road to make good existing disturbed surfaces.

Supply & fixing GI tubing light grade 100 mm dia fixed on walls/pole/ laid in trenches as protection pipe for under ground cable including provisioning of specials and clamps etc complete all as speified and directed.

Material and labour for Boring of holes under road, pavement hard standings by trenchless technology using ultra sound technique and necessary machine including supply of HDPE pipes upto 150 mm dia suitable for 0.4 Mpa working pressure, complete all as specified and directed.

Material and labour for replacement of 3 ½ core 185 Sqmm XLPE insulated heavy duty electric cable with aluminium multi stranded conductor 1100 volts grade served with an inner sheathing of PVC tape armoured with galvanised steel wire or tape and overall sheathed laying in trenches/cable ducts, fixed to wall/pole, complete all as specified and directed. Make : Havells, Polycab, RPG Asian

Material and labour for making straight through joint with suitable jointing kit consisting of water proof adhesives for UG cable of size 3.50 core 120 Sqmm to 185 Sqmm, complete all as specified and directed.