SPECIAL REPAIRS TO SEWAGE LINE AND ALLIED SYSTEM OF DSC BARRACKS AT NAD ALWAYE

Amount

Material and labour for cleaning of septic tank by removing manhole cover including removing of earth soil spread over the cover if any from the frame of septic tank and receiving chambers, removing of all night soil sediments and waste materials etc irrespective of its height clearing off up to the bottom floor and dispose off the materials, are to be taken from the respective vicinities on covered conveyance and disposed off out of different unit at NAD Alwaye complex or to a distance not exceeding 100 metres from septic tank to a pit suitably excavated to contain night soil and it shall be covered with excavated earth on top and place back the manhole cover to its original position and removing all vegetable roots if any and making good surround complete all as directed .

All as per Serial item No.1 here in above but for manhole of any size and up to 1.5m depth complete as specified and directed.

All as per Serial item No.1 here in above but for manhole of any size and above 1.5m to 3.0m depth complete as specified and directed.

Material and labour for cleaning of PVC/SWG/CI pipe line 75/100/110 mm dia by manual or mechanical using cleaning rod or compressor and removal of foreign material after removing the existing blockage below ground including necessary excavation and refilling and making good complete all as specified and directed.

Material and labour for cleaning of SWG/PVC/CI Pipe line of 150mm by manual or mechanical using cleaning rod or compressor and removal of foreign material after removing the existing blockage below ground level including necessary excavation and making good the disturbed surfaces complete all as specified and directed

Material and labour for cleaning/clearing of chock up of IWC/EWC by manual or mechanical using cleaning rod or compressor etc complete all as specified and directed.

Material and labour for cleaning/clearing chock up of floor trap/Nahani trap and gully trap by manual or mechanical using cleaning rod or compressor etc complete all as specified and directed.

Demolition of cement concrete (Unreinforced) in drain, Manhole bed, sewage line bed or in any location or in any position complete all as specified and directed

Demolition of brick work block walling built in cement mortar in any description and in any position complete all as specified and directed

Demolition of reinforced cement concrete cover slabs/guard post etc in any description and in any position (Reinforcement cut as required to facilitate demolition) all as directed

Taking down cement plastering in any description on brick or stone walls including raking out joints, hacking for key, scrubbing down with water etc complete all as specified and directed

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m in depth for foundation etc and not exceeding 10sqm on plan and not exceeding 1.5m in depth and getting out in soft/disintegrated rock complete all as specified and directed

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

Removing excavated material (soil) not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as directed

Material and labour for PVC (SWR) pipe 110 mm dia single socketed, in any length with rubber ring joints fixed to wall including taking down old pipe complete all as specified and directed

Material and labour for PVC (SWR) pipe 110 mm dia single socketed, in any length with rubber ring joints, laid in trenches including taking down/ dismantling old pipe complete all as specified and directed

Material and labour PVC (SWR) pipe 160 mm dia single socketed, in any length with rubber ring joints, laid in trenches or in floors including taking down old pipe complete all as specified and directed

Supply and fix PVC SWR bends 110 mm dia of any radius including taking down old one complete all as specified and directed

Supply and fix PVC (SWR) branch pieces, single (single Y) equal or unequal 110mm bore with access door including taking down/ Dismantling old branch piece complete all as specified and directed

Supply and fix PVC SWR junction single (single T) equal or unequal 110mm bore including taking down/dismantling old complete all as specified and directed

Material and labour for providing PCC solid block Masonry, using blocks exceeding 10cm in width type C1, 1:3:6, 20mm graded aggregate and setting in cement mortar 1:4 complete all as specified and directed

Material and labour for rendering 15 mm thick in CM 1:4 on fair faces of brick work or concrete surfaces finished even and smooth without using extra cement complete all as specified and directed

Demolition of cement concrete (unreinforced) of any description and in any position not otherwise specifically provided for including removal of rubbish from the site complete all as specified and directed

Material and labour for precast RCC 1:2:4 type B1 (using 20mm graded stone aggregate) as in cover slab set in CM 1:6 complete all as specified and directed

Material and labour for TMT bars 10mm dia and over, cut to length, bent to shape required including cranking bending etc, hooking ends for binding with and including MS wire not less than 0.9mm dia complete all as specified and directed

All as per Serial item No.25 here in above but for 6 mm to 8mm dia.

Material and labour for providing cement concrete 1:2:4 type B1 (20 mm graded aggregate ) as in coping, bed place and the like including weathering slightly rounded or chamfered angles and throating complete all as specified and directed

Supply and fix mild steel works of small articles for handle of MH covers confirming to Fe-290 Gde E-165 complete as specified and directed.

Supply only integral water proofing copound complete as specified and directed.

Material and labour for cement concrete 1:2:4 Type B1 (using 20 mm graded aggregate) as in surface channels and drains complete all as specified and directed

Material and labour for cement concrete 1:3:6 type C2, bed to drain pipes including packing under, and haunching against the sides of pipes with concrete after laid and tested for 110mm bore pipe complete all as specified and directed

All as per Serial item No 31 above but for 160mm dia pipe.

Material and labour for cutting into existing manholes for connecting new drains, making good to pipe and rendering, cutting out existing benching for and forming branch channel (1/2 round or 3/4 section) in cement concrete 1:2:4 type B1 smooth finished, and reforming benching as required internal dia of pipe 100/150mm complete all as specified and directed

Material and Labour for septic tank designed to carry sewage and sullage water, excavation in any type of soil, PCC 1:4:8 below foundation, brick masonary walls in CM 1:4, rendering 15 mm thick in CM 1:4 with water proofing compound . RCC 1:1.5:3 in roof slab including baffle wall etc with vent shaft , manhole openings with cover connection etc., complete for 150 users all as shown in drg No TD/A/159 Sheet No 2/4, 3/4 & 4/4 all as specified and directed.

Material and labour for soakage wells excavation, in any type of soil, foundation in PCC 1:3:6, walls of honey combed masonry with top ring of RCC 1:1.5:3 including intercepting chamber and screen chamber made of brick masonary in CM 1:4, RCC cover slab in RCC 1:1.5:3 cover, interconnecting pipes of RCC/DWC complete filled with brick bats of size 3.5m dia and 6.5 m effective depth all as shown in drg No TD/A/162 Sheet No 1/1 complete all as specified and directed.

M/S AARJAY ASSOCIATES (BID ID -3282175)

Kuriako Mathai and company (BID ID -3281918)

JESWIN BUILDERS (BID ID -3282422)