Annual cleaning and maintenance of Sewer Grid within A-Zone and B-Zone of D.P.L. Township for the year 2025-26.

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 stacking 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 required 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.

Dismantling all types of masonry excepting cement concrete plain or reinforced, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m; in ground floor including roof.

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.

100 mm. thick brick work with Fly Ash Bricks set in cement sand mortar (1:4) 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.

Single Brick Flat Soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand.

Cement concrete with graded stone ballast (40 mm size excluding shuttering);In ground floor; Pakur Variety;1:3:6 proportion.

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

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 up to roof of ground floor/up to 4 m; Tor steel/Mild Steel; SAIL/ TATA/RINL.

Hire and labour charges for shuttering with centering and necessary staging up to 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 (up to roof of ground floor);25 mm to 30 mm thick wooden shuttering as per decision & direction of Engineer-In-Charge.

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 :-

Manholes/pits having depth up to 3.00 mtrs.

Manholes/pits depth exceeding 3.00 mtrs. In depth but up to 4.75 mtrs.

Manholes/pits having depth exceeding 4.75 mtrs. in depth but up to 6.40 mtrs.

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 :-

150 mm dia.

225 mm dia.

300 mm dia.

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

Underground.

Over ground.

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 cement-sand mortar (1:2) and necessary jute packing including cost of all labour and materials.

Supplying, fitting and fixing C.I. round grating; 150 mm.

Dismantling yard gully with gratings;150 mm.

Re-fixing yard gully including necessary cement brick work (4:1) and 13 mm thick cement plaster (2:1) etc. complete including mending good all damages. (Cement work will be paid separately).;150 mm.

Removing chokage of yard gully

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

Cutting of jungles / wild growths by brush cutters / manually including cutting grass jungles, shrubs, plants up to 10 cm dia., and trimming of branches up to boundary wall height for clear view of the walls as directed. Cutting must be done at the top surface of the ground, i.e. maximum of 5 cm from ground level. the cut refuse must be collected and disposed off at suitable locations as directed. The cost includes all charges for Brush Cutters, labour, fuel and maintenance charges of Brush Cutters, collection, transportation and disposal of the refuse. All cutting and disposal charges are included in the scope and unless the contractor removes the cut refuse within stipulated period, no payment will be made for the work done and further work may be stopped and the dept. will not be held responsible for stoppage of the work and the idle labour/machinery on this issue.

Cleaning and removing conservancy garbage mixed with rubbish & other filthy materials from the road side flank, drain and compound including cutting, loading, unloading to and from truck or cart by Mathor labour & removing the same to any distance.

Supplying, fitting & fixing UPVC pipes A- Type and fittings conforming to IS:13592-1992 with all necessary clamps nails, including making holes in walls, floor etc. cutting trenches in any soil through masonry concrete structures etc. if necessary and mending good damages including joining with jointing materials (Spun Yarn, Valamoid/ Bitumen/ M-Seal etc.) complete.

A) UPVC Pipes: a) 110 mm. Dia.

b) 160 mm. Dia.

Supply of UPVC pipes (B Type) & fittings conforming to IS-13592-1992 with all necessary clamps nails, including making holes in walls, floor etc. cutting trenches in any soil through masonry concrete structures etc. if necessary and mending good damages including joining with jointing materials (Spun Yarn, Valamoid/ Bitumen/ M-Seal etc.) complete.

(i) Door Tee a) 110mm.

(ii) Door Bend (TS) a) 110mm.

(iii) Cross Tee with Door 110 mm.

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