SPECIAL REPAIR/ REPLACEMENT OF MAIN SEWAGE LINES AT DC-I AREA AT AF STATION AVADI

Amount

Demolition of Brickwork or stone/ boulder masonry built in cement mortar including all quoins, arches, pillars, etc, but excluding ashlar facings, dressed stonework and precast concrete articles all as specified.

Demolition of reinforced concrete of existing damaged manhole cover slabs and removing the debris off as directed.

Demolition of unreinforced Concrete of any description and in any position not otherwise specifically provided for pcc bedding as directed.

Demolition and breaking up 150mm dia drain pipes (Salt glazed ware, AC or Reinforced concrete) set in cement mortar as directed.

Cutting pipe in position and blocking up end with cement concrete 1:2:4. type B-l for a depth of at least 30cm from the cut made in 150mm dia all as specified.

Testing drains of dia exc 300 but n.exc 600 as specified by fitting the pipes with water to a head of 1.5m at the highest point including temporarily fixing of bends, etc. as required

Testing manholes as specified by filling with water

Cleaning of manholes of size n.exc 1.2 sqm on plan area by bailing out fluid and removing sediments, washing manhole floors and walls with wire brush including filling with fresh and clean water and cleaning the sludge complete all as specified and as directed by the Engineer-in-Charge.

(a)Manhole depth not exc 450mm

(b)Manhole depth exc 450mm and not exc 600mm

(c)Manhole depth exc 600mm and not exc 750mm

(d)Manhole depth exc 750mm and not exc 1.0m

(e)Manhole depth exc 1.0m and not exc 1.50m

M & L in repair PVC (SWR) gully trap 125/110mm setting and jointing with solvent cement all as specified.

S&F PVC 150mm dia grating, square or round (with or without hole) and fixed in postion using Cement Mortar all as specified.

Cutting opening around floor trap (wall junction) /nahani trap and repairing joint leaking using cement slurry including replacing the damaged traps and making good the surface to match with adjoining area and ensure leak proof joint all as specified and as directed.

S&F in repair PVC (SWR) pipes single socketed 75mm bore, in any length with rubber ring joints laid in trenches or in floors with clamps including removing old unserviceable all as specified

All as per item No 12 here-in-before but 110mm dia

S&F in repair PVC (SWR) bends any radius 75mm bore all as specified.

S&F in repair PVC (SWR) bends any radius 110mm bore all as specified.

Excavation in trenches not exc 1.5 m wide and not exc 1.5 m depth for foundation etc., for shafts, wells, cesspits, manholes, pier holes, sewage pipe line etc., not exc 10sqm on plan and n exc 1.5m in depth and getting out in hard/ dense soil complete all as specified and as directed.

M&L PCC 1:4:8 type D2, using 40 mm graded stone aggregate as in foundation filling and mass concrete all as specified.

M & L for brick work with fly ash bricks, old size bricks, straight or curved on plan exc 6m mean radius, built in cement mortar 1:4 complete all as specified.

M&L 15 mm thick Rendering on fair faces of brickwork in CM 1:6 finished even and smooth without using extra cement all as specified and directed

M&L 15 mm thick Rendering on other than fair faces of brickwork surface in CM 1:4 finished even and smooth with out using extra cement as setting coat mixed with WPC @ 3% by weight of cement and finishing even and smooth with out using extra cement all as specified and directed. Note: WPC shall be measured and paid seperately.

Supply only water proofing compound

M&L for precast Cement concrete 1:2:4, type B1 (20 mm graded stone aggregate) set in CM 1:4 as in Cover slabs for drains, manholes etc and similar articles with plain faces Note: Reinforcement shall be measured and paid separately

M&L TMT bars 10mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with the including mild steel wire (annealed) not less than 0.9mm dia or securing with clips all as specified.

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

Removal of excavated surplus soil to a distance n.exc 50 m and depositing where directed at a level n. exc 1.50m above the starting point and all as directed.

M & L for providing PCC 1:3:6, type C1 using 20mm graded stone aggregate as in coping including weathering, slightly rounded or chamfered angles and throating including formwork complete all as specified.

S&F Double wall corrugated pipe of 300 mm dia laid and jointed complete all as specified

S&F Double wall corrugated pipe of 400 mm dia laid and jointed complete all as specified

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

Repair to potholes any depth, not exc 1 sq m each including sweeping free from dust and mud, or water, scoring sunken surfaces in roads, paths, etc. cutting around edges to at least 25 mm in depth, making good by filling in screened & graded road metal, watering and well ramming (including supply of road metal)

Cutting holes into or through brick walls built in cement mortar or cement lime mortar 1:3 or cement concrete 1:2:4 type B-l as required in manholes with superficial area exc 400 sqcm but not exc 0.1 sqm

Cutting into existing manholes for connecting new drains 400mm 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 300mm 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

Dismantling floor, hearth or wall tiling including cement mortar bedding (but not backing), removing serviceable tiles to store and rubbish off the premises all as specified.

M&L Chequered cement concrete tiles 20cm x 20cm x 25mm thick, set, jointed and pointed in neat cement slurry in floors with grey pigment cement and pigment all as specified.

M & L Screed bed or bedding layer of mortar 20mm thick for laying floor finishes of CM 1:4 all as specified.

M&L 75mm thick Plain cement concrete 1:5:10, Type E2 using 40 mm graded stone aggregate as in foundations, filling and mass concrete all as specified.

S&F Precast FRC Manhole cover with frame

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.

Extra for forming fair finished drain or channel 45 cm inner girth in cement concrete, using extra cement, including forms, moulds, mitred/stopped ends etc.

M&L for PCC 1:2:4 type B0 using 12.5 mm graded stone aggregate as in channel for manholes for DWC pipe all as specified.

S & F reinforced concrete pipes 300mm dia, class NP3, laid and jointed complete with collars all as specified.

M & L for PCC 1:3:6 type C2 using 40mm graded stone aggregate for concrete bed to drain pipe including packing under and haunching against the sides of pipes laid and tested for 300mm dia pipes, all as directed.

M/s Omm Muruga Enterprises

murugan enterprieses

D Subramani and Sons

Green Ray Technologies