Annual Cleaning and Maintenance of Sewer Grid within A Zone of D.P.L. Township for the year 2023 2024.

Amount

Earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing, spreading or tacking the spoils within a lead of 75 m. as directed. The item includes necessary trimming the sides of trenches, levelling, dressing and ramming the bottom, bailing out water as uired complete; Depth of excavation not exceeding 1,500 mm.

Earth work in filling in foundation trenches or plinth with good earth, in layers not exceeding 150 mm. including watering and ramming etc. layer by layer complete. (Payment to be made on the basis of measurement of finished quantity of work); With earth obtained from excavation of foundation.

Ordinary Cement concrete (mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement,if any,as per relevant IS codes. Pakur Variety

Hire and labour charges for shuttering with centering and necessary staging upto 4 m using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams and columns, lintels curved or straight including fitting, fixing and striking out after completion of works (upto roof of ground floor) (a) 25 mm to 30 mm thick wooden shuttering as per decision & direction of Engineer-In-Charge.

Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups, binders etc initial straightening and removal of loose rust (if necessary), cutting to requisite length, hooking and bending to correct shape, placing in proper position and binding with 16 gauge black annealed wire at every intersection, complete as per drawing and direction;For works in foundation and upto roof of ground floor/upto 4 m;Tor steel/Mild Steel;SAIL/ TATA/RINL

200 mm. thick Brick work with Fly Ash Bricks set in cement sand mortar (1:6) including raking out joints, curing, scaffolding etc. complete in all respect.;In ground floor

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding/staging where necessary (Ground floor).[Excluding cost of chipping over concrete surface]; with 1:6 cement mortar; 20 mm thick plaster

Neat cement punning about 1.5mm thick in wall, dado, window sill,floor etc.

Cleaning & removal of chokage / clogging of sewer pipe lines by any method involving split bamboos / threaded cane rods of the following dia. of sewer pipe lines :- a) 150 mm. dia.

b) 225 mm. dia.

c) 300 mm. dia.

Renewing the old damages & leakages of R.C.C. pipe collar joints carefully, cleaning, chipping & placing collars over the joints, setting the pipe collar joints with fresh cment-sand mortar (1:2) and necessary jute packing including cost of all labour and materials.

Removing chokage of underground H.C.I. or S.W. pipe with split bamboo.

Cleaning manholes / pits / tanks / other sewer appurtenances of the foll. depths incld. Cutting out liquid / semi liquid / solidified sludge plus disposing off the same to places shown by the deptt. in a hygienic manner :- a) Manholes/pits having depth upto 3.00 mtrs.

b) Manholes / Pits depth exceeding 3 mtrs. in depth but upto 4.75 mtrs.

c) Manholes / Pits depth exceeding 4.75 mtrs. in depth but upto 6.40 mtrs.

Taking/Cutting out semiliquid/liquidified/solidified sludge by mathor labours & disposing off the same to designated places in ahygenic manner.

D. A. B. FIBRE GLASS

INDUSTRIAL ESCORT