REPAIR TO SEWAGE LINES, MECHANISED CLEANING OF SEPTIC TANK AND SOAKAGE PITS ETC IN DC-I AND TECH AREA AT AF STATION AVADI

Amount

Cleaning of septic tanks and filter bed of any capacity by bailing out fluid, removing out sediments, sludges washing septic tanks floor and walls with fresh water cleaned with wire brush, filling with fresh water and little quantity of well digested sludge using vehicle mounted with compressor and sucker tank with covered container complete all as specified and directed by the Engineer-in-charge for the following capacity of septic tanks. Note: The quoted rate shall be inclusive of following:- (i) Solids/sludges removed from septic tank shall be removed out of MD land and burried into the ground. (ii) Surrounding area of septic tank shall be cleared off from shrubs and other wild growth alround 3metre away from the outer edge of the wall.

Cleaning of manholes of any description and size not exceeding 1 sqm on plan and upto 1m depth including lifting up and removing sludge, accumulated solid sludge and other foreign materials by using vehicle mounted with compressor and sucker tank with covered container and wash down with water for smooth functioning of sewage line complete all as specified and as directed. Note: Sludge obtained from cleaning shall be removed out of MD land and burried into the ground.

Cleaning of manholes of any description and size not exceeding 1.5 sqm on plan and depth 1m to 2m including lifting up and removing sludge, accumulated solid sludge and other foreign materials by using vehicle mounted with compressor and sucker tank with covered container and wash down with water for smooth functioning of sewage line complete all as specified and as directed. Note: Sludge obtained from cleaning shall be removed out of MD land and burried into the ground.

Cleaning of manholes of any description and size not exceeding 3 sqm on plan and depth 2m to 3m including lifting up and removing sludge, accumulated solid sludge and other foreign materials by using vehicle mounted with compressor and sucker tank with covered container and wash down with water for smooth functioning of sewage line complete all as specified and as directed. Note: Sludge obtained from cleaning shall be removed out of MD land and burried into the ground.

Removing blockage from WC by using rubber cup 125mm dia with wooden handle and clearing the blockage upto manhole with cleaning rod including removal of all materials (soil/spoil) from gully trap of WC and depositing off complete all as specified and directed

Removing blockage from kitchen & bathroom/WHB by using rubber cup 125mm dia with wooden handle and clearing the blockage upto manhole with cleaning rod including removal of all materials (soil/spoil) from gully trap of WC and depositing off complete all as specified and directed

Cleaning blocked sewage pipe lines of length varying from 0 to 2m for 100mm bore pipe and removing the blockage by means of rodding with and including bamboo splits /flexible iron wire from gully trap to 1st manhole, rendering the system clear and fushing the delogged line with sufficient qty of water and removing sludge /waste material etc., to outside MD land and burried into ground complete all as specified and directed.

Cleaning of sewage pipe line 150mm dia and removing blockage between MH to MH after removing the MH cover, rodding/bamboo splits/flexible iron wires and rendering teh system clear for flow by jetting the delogged line with sufficient qty of water including refixing of MH cover after cleaning the lines/MH and the sludge/waste material etc., to be removed outside the MD land and burried into the ground complete all as specified and directed.

Cleaning of sewage pipe line 200mm dia and removing blockage between MH to MH after removing the MH cover, rodding/bamboo splits/flexible iron wires and rendering teh system clear for flow by jetting the delogged line with sufficient qty of water including refixing of MH cover after cleaning the lines/MH and the sludge/waste material etc., to be removed outside the MD land and burried into the ground complete all as specified and directed.

Cleaning of sewage pipe line 250mm dia and removing blockage between MH to MH after removing the MH cover, rodding/bamboo splits/flexible iron wires and rendering teh system clear for flow by jetting the delogged line with sufficient qty of water including refixing of MH cover after cleaning the lines/MH and the sludge/waste material etc., to be removed outside the MD land and burried into the ground complete all as specified and directed.

Excavating in trenches n exc 1.5m wide and n exc 1.5 m in depth for foundation etc., for shafts, wells, cesspits, manholes, pier holes, sewage pipe line etc., n exc 10sqm on plan and n exc 1.5m in depth and getting ot in hard /dense soil complete all as specified and as directed.

Demolition of cement concrete (unreinforced) of any description and in any position not otherwise specifically provided for complete all as specified and directed

M &L for PCC 1:3:6 type C2 using 40mm graded stone aggregate for concrete bed to drain ppe including packing under and haunching against the sides of pipes laid and tested for 100mm dia pipes, all as directed.

All as per item No 13.00 above, but for 150mm dia pipe.

All as per item No 13.00 above, but for 200mm dia pipe.

S & F Reinforced concrete pipes, 100mm bore class NP2 , laid and jointed complete with collars laid in trenches and set and jointed in CM 1:1 including demolition and breaking of existing salt glazed ware/AC/Reinforced concrete pipe complete all as specified and directed

All as per item No 16 above but 150mm dia NP2 Pipe

All as per item No 16 above but 200mm dia NP2 Pipe

M&L Sand filling under floors or in foundations including watering and consolidation all as per specified.

S&F Double wall corrugated pipe of 100 mm dia laid and jointed complete all as specified

S&F Double wall corrugated pipe of 150 mm dia laid and jointed complete all as specified

S&F Double wall corrugated pipe of 200 mm dia laid and jointed complete all as specified

Cutting into existing manholes for connecting new drains 100mm dia, 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 B-l smooth finished, and reforming benching as required

Cutting into existing manholes for connecting new drains150mm dia, 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 B-l smooth finished, and reforming benching as required

Cutting into existing manholes for connecting new drains 200mm dia, 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 B-l smooth finished, and reforming benching as required

Demolition of reinforced cement concrete (Reinforced cut as required to facilitate demolition) any description and in any position not otherwise specifically provided for complete all as specified and directed.

Supply and fix pre cast steel framed Reinforced concrete (SFRC) cover slab of 50mm thick with 2mm thick MS sheet at edges upto the thickness of slab all around including necessary steel reinforcement TMT 500D grade, 8mm dia at 100mm centre to centre in bothways and formwork including lifting hook etc.,all as specified and as directed.

Demolition of brickwork or stone/boulder masonry built in cement mortar including all quions, arches, pillars etc., but excluding ashlar facings, dressed stonework and precast concrete article all as directed. Note: Serviceable bricks shall be stacked properly for reuse.

Material and labour for brickwork with flyash old size bricks, straight or curved on plan exc 6m mean radius built in cement mortar (1:4) complete all as specified and directed.

Material and labour for rendering 15mm thick in cement mortar 1:6 on fair faces of brickwork or concrete surface finished fair and even complete all as directed

Material and labour for rendering 15mm thick on fair faces of brick work or concrete surfaces in cement mortar 1:4 and finished even and smooth with out using extra cement mixed with WPC @ 3%by weight of cement. Note :- WPC shall be measured and paid seperately

Supply only intergral water proofing compound

Material and Labour for PCC 1:3:6 type C1 using 20mm graded stone aggregate as in coping including necessary form work,and finishing the surface even and smooth without using extra cement all as directed.

M&L for Extra for forming fair finished drain or channel 30 cm inner girth in cement concrete, using extra cement, including forms, moulds, mitred/stopped ends etc.

Returning filling in including spreading levelling watering and well ramming in layers not exc 25cm using excavated soil complete all as specified and as directed

Removing of excavated surplus soil to a distance exc 50m and not exc 250m and depositing where directed at a level n exc 1.5m above the starting point and all as directed

Supply and fixing PVC(SWR) floor trap, diameter of outlet 75mm bore plain with grating including jointing with solvent cement complete all as specified and as directed

Supply and Fix in repairs PVC(SWR) pipes single socketed 110mm bore in any length with rubber ring joints, laid/fixed to walls complete including taking down old pipes all as specified and as directed

All as per item no 29 here-in-before but 75mm dia pipe

Supply and fix in repairs PVC(SWR) branch piece 110mm bore double (Double Y) equal or unequal with access door complete all as specified and directed

Supply and fix in repairs PVC(SWR) branch piece 75mm bore double (Double Y) equal or unequal with access door complete all as specified and directed

Supply and Fix in repairs 75mm dia PVC (SWR) bends any radius with access door

Supply and Fix in repairs PVC(SWR) vent cowl 110mm dia

Supply and Fix in repairs PVC (SWR) vent cowl 75mm dia

Supply and Fix in repairs , Grating doom 100MM dia of PTMT (Minimum weight 25gms) complete all as specified and as directed

Supply and fix in repairs, Grating doom 100mm dia of stainless steel complete all as specified and as directed

SWIFTTECH ENGINEERS INDIA PVT LIMITED

Mariammal Constructions

KR ENTERPRISES