REPAIR / MAINT OF SEWAGE LINES, SEPTIC TANKS, MANHOLES, COMPOUND WALL AND OTHER CONNECTED WORKS AT RESIDENTIAL AREA CVRDE AVADI

Amount

Carry out the rectifications of blockage/soakage etc in sewage system such as sewage line, septic tank, Manholes GT anfd FT etc by using suitable manual/mechanical devices in liquid and foul position as on demand received/directed by Engineer in charge with sufficient manpower and keep entire sewage system free from blockage/ soakage complete all as directed The brief scope of work consists of following:- Cleaning of blocked/soaked manholes of any depth including removal of sludge/dirt etc.,and washing wall/floors sufaces with fresh water including removing and re- fixing the existing manhole cover slab/inlet and outlet pipes without damage etc., Roding the existing blocked/soaked sewage pipe line of any diameter between manholes/septic tank etc and removing all foreign materials and sludge completely from the pipe line and making serviceable for free flow of sewage system. Cleaning of blocked/soaked gully trap,Nahani trap and Floor trap etc including removal of sludge and washing with fresh water and refixing the existing lid of the trap without any damage The quoted rates deemed to include for temporarily plugging the manholes for 100/150/200mm bore pipe till the completion of rectifications works The blockage/soakage shall be rectified on priority on receipt of complaints on same day. If any delay in completion, penalty will be effected at Rs 100/- each complaint.. The man engaged should be capable for attending minor defects/rectification. Necessary tools should be provided by the contractor without any extra cost as deemed fit. Necessary safety devices such as mask, clooves etc to be provided to the labour while working. Necessary weekly off shall be provided by the contractor to each service provider as per labour Act at his own arrangements. Nothing extra shall admissible in this regard . All safety measures shall be arranged by the contractor as per law followed by State/ Central Govt.

Pumping out sludge including water from the soak pit / septic tank/ Manholes depth not covered above Item No.1.etc. mechanically by using tipper with tanker and non clog sewage pump set arrangement including foot valve, necessary draining out pipe etc and removing all foreign materials, sludge, water including cleaning the soak pit/ septic tank/ manholes etc complete all as specified and directed by Engineer-in-Charge. Note:- Note : (a) The sludge removed shall be taken outside MD land for disposal and disposed as agreed by local body ie, Municipality etc, and when removed from the soak pit/septic tank/manholes. The cost of disposal shall be inclusive of the unit rate quoted by the tenderers under this item. No extra cost on this account is admissible. (b) Pumping shall be carried out in the presence of MES representative. (c) The quoted rate deems to include for working in foul condition.

M&L for excavation in trenches not exceeding 1.5 m vide and not exc 1.5 m in depth for foundation, man holes or shafts etc not exc 10 Sqm on plan & n.exc 1.5 m depth and getting out in hard/ dense soil all as specified and directed by Engineer-in-Charge.

Demolition and breaking of drain pipes along with PCC bed concrete and hunching of internal dia 100/ 150/200mm (SGSW) or CI set in cement mortar all as specified and directed by Engineer-in-Charge.

S&F DWC ID Pipes SN 4 pipe (HDPE Black) 200mm dia bore drain pipes laid in trenches and jointed in Cement solvent all as specified and directed by Engineer-in-Charge.

S&F DWC ID Pipes SN 4 pipe (HDPE Black) 100mm dia bore drain pipes laid in trenches and jointed in Cement solvent all as specified and directed by Engineer-in-Charge.

S&F DWC ID Pipes SN 4 pipe (HDPE Black) 150mm dia bore drain pipes laid in trenches and jointed in Cement solvent all as specified and directed by Engineer-in-Charge.

M&L Cement concrete C-2 (1:3:6) concrete bed to drain pipe for 100 mm bore of pipe including packing under and hunching against the sides of pipe after they are laid and tested in all as specified and directed by Engineer-in-Charge.

M&L Cement concrete C-2 (1:3:6) concrete bed to drain pipe for 150 mm bore of pipe including packing under and hunching against the sides of pipe after they are laid and tested in all as specified and directed by Engineer-in-Charge.

M&L Cement concrete C-2 (1:3:6) concrete bed to drain pipe for 200 mm bore of pipe including packing under and hunching against the sides of pipe after they are laid and tested in all as specified and directed by Engineer-in-Charge.

Cutting into existing manholes/soak well for connecting ne 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 B-1 smooth finished, and reforming benching as required all as specified and directed by Engineer-in-Charge.

Demolition of Reinforced Cement concrete (reinforced) of any description and in any position not otherwise specifically provided for including cutting of reinforcement to facilitate demolition all as specified and directed by Engineer-in-Charge.

M&L for precast reinforced cement concrete type B1, 1:2:4 (using 20mm graded agg in RCC manholes cover complete all as specified and directed by Engineer-in-Charge.

M&L for TMT bars 6 to 8mm dia cut to length bend to shape reqd incl cranking and incl mild steel wire (annealed) not less than 0.9mm dia all as specified and directed by Engineer-in-Charge.

Demolition of brick work built in cement mortar in existing manholes, septic tank etc. all as specified and directed by Engineer-in-Charge.

M&L Brick works built in CM 1:4 with sub class `B' Bricks straight or curve on plan exc 6m mean radius all as specified and directed by Engineer-in-Charge.

Rendering in CM 1:4, 15mm thick on fair faces of brick or cement surfaces and finished even and smooth without using extra cement with WPC all as specified and directed by Engineer-in-Charge.

M&L PCC C-1, (1:3:6)(using 20 mm graded aggregate) as coping including necessary formwork all as specified and directed by Engineer-in-Charge.

Supply only Integral waterproofing compound.

S&F PVC SWR pipe single socketed in any length with rubber ring joints fixed to wall for soil waste incl taking down of old pipe all as specified and directed by Engineer-in-Charge.

(a) Bore of pipe in 75 mm.

(b) Bore of pipe in 110 mm.

M&L PVC(SWR) bends in 75mm dia any radius all as specified and directed by Engineer-in-Charge.

S&F PVC (SWR) junction single, (Single T) equal or unequal all as specified and directed by Engineer-in-Charge.

(a) Bore of pipe in 75 mm.

(b) Bore of pipe in 110 mm.

Returning filling hard and dense soil in incl spreading leveling watering and well ramming in layers n exe 25 cm complete all as specified and directed by Engineer-in-Charge.

Removing excavated material exc 500 M and not exc 1km depositing where directed all as specified and directed by Engineer-in-Charge.

Demolition of cement concrete in ground floors and paving n . Exc 15cm thick ness (below or above ground level) all as specified.

M/L for PCC (1:3:6) type C2 using 40 mm graded aggregate 75 mm thick as in plinth protection, finished even and fair without using extra cement complete. Incl filling the joints with sand and bitumen mixture all as directed.

Demolition/Dismantling of brick work built in cement mortar including all pillars etc complete all as specified and directed by Engr-in-Charge.

M&L for Brickwork with sub class B bricxks in CM 1:6 straight or curved on plan exc 6 m mean radius complete all as specified and directed by Engr-in-Charge.

-Ditto- All as per ser item No 2 but except bricks as bricks obtained from dismantling of brick work complete all as specified and directed by Engr-in-Charge.

Taking down cement or cement lime plaster on brick or stone walls, etc. including raking out joints, hacking for key, scrubbing down with water, etc. complete all as specified and directed by Engr-in-Charge.

Rendering 10mm thick CM 1:6 on fair face of brick work or concrete surfaces finished even & smooth complete all as specified and directed by Engr-in-Charge.

Providing, cement concrete 1:3:6 type B1 (using 20mm graded stone aggregate) in lintels upto 1.5m clear span, cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates, bed blocks, kerbs, water troughs and the like including weathering, slightly rounded or chamfered angles and throating, complete all as specified and directed by Engr-in-Charge.

M&L for Broken glass coping on top of walls in cement mortar 1:3 complete all as specified and directed by Engr-in-Charge.

M&L for Preparation of new plastered surface and apply two coat of cement based paint over a coat of chalk whiting primer complete all as specified and directed by Engr-in-Charge.

M&L for preparation existing finishes of old plastered surface and apply two coat of cement paint complete all as specified and directed by Engr-in-Charge.

Dismantling wrought iron or mild steel work of any description not otherwise provided for complete all as specified and directed by Engr-in-Charge.

S&F MS angle iron as in fencing post including cutting tops toshape, drilling holes, notching for wire etc, including all necessary drilling, bolting or reverting etc conforming to Fe-290 Gde E-165 complete all as specified and directed by Engr-in-Charge.

Preperation of new steel surface and applying two coats of synthetic enamel paint over one coat of red oxide primer etc over 10cm width or girth complete all as specified and directed by Engr-in-Charge.

Providing and fixing concertina coil fencing with punched tape concertina coil 450 mm dia 10 metre openable length, having 50 nos rounds per 6 metre length, upto 3 m height of wall with existing angle iron 'Y' shaped placed 2.4m or 3.00 m apart and with 9 horizontal R.B.T. reinforced barbed wire, stud tied with G.I. staples and G.I. clips to retain horizontal, including necessary bolts or G.I. barbed wire tied to angle iron, including dismantling of old one and with reinforced barbed tape(R.B.T.) / Spring core (2.5mm thick) wire of high tensile strength of 165 kg/ sq.mm with tape (0.52 mm thick) and weight 43.478 gm/ metre (cost of M.S. angle, C.C. blocks shall be paid separately) all complete as per direction of Engineer-in-charge,

Dismantling of chain link fencing fixed with RCC/mild steel pillar etc.

Dismantling posts or struts (wood, steel or R.C.C.) any section from natural ground, including taking out embedded portion and making good disturbed ground.

Excavating in soft/loose soil as in post holes (or similar holes) each n exc 0.5 cu. m, getting out, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25 cm.

S&F 5 to 10 mm dia of neck, mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, n exc 5cm long.

S&F chain link MS galvanisd fencing wt not less than 6.00 Kgs/Sqm, any size or type including line wires, any mesh, size and type to any type of standards, rails, straining bolts, etc. including provission of binding wire

TMT mild steel bars 5 mm to 8 mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9 mm dia or securing with clips

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