Construction of Pucca Drain

Excavation for Structures

Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, removing, spreading or stacking of spoils within a lead of 150 m. as directed and including trimming the sides of the trenches, leveling, dressing and ramming the bottom, and backfilling with approved material complete as per direction of the Engineer-in-Charge .

I. In all sorts of soil excluding marshy soil & rocks (soft or hard) by manual means

(iv) Without pumping out water and shoring

Sand filling in foundation trenches and at the back of abutments, wing-walls etc. with good local sand free from earth in layers not exceeding 15 cm. including inundating each layer by profuse water and poking and ramming layer by layer complete including supply of sand. Quality of sand is to be approved by the Engineer-in-charge.

Note - 1. Labour rate per m³ is provided; Cost of sand is to be added to arrive at the complete item rate.

2. Compaction factor of dry clean sand is 0.835.

Supplying and laying Polythene Sheet (150 gm/sq.m.) over damp proof course or below flooring or roof terracing or in foundation or in foundation trenches.

I) Cement concrete with graded stone ballast (40 mm size excluding shuttering)

In ground floor

A) [Pakur Variety]

a) 1:3:6 proportion

Providing and laying Design Mix concrete for plain / reinforced concrete work in any part of bridge (excluding bottom plugging) with coarse aggregates of appropriate nominal size and grading, fine aggregate (sand) conforming to proper grading zone, both of approved quality and cement, as necessary, including labour, cost and carriage of all materials and including preparation of design mix, approval of the same by the Engineer-in-Charge and cost for quality control, sampling, testing etc. all complete but excluding cost of labour and materials for formwork & reinforcement works.

(a) M-20 Grade

1. Construction Wing will add the cost & carriage of 0.9 cum/m³ coarse aggregates and cement as per requirement vide Table 3.2-1 only to arrive at consolidated rate.

Hire & labour charges for shuttering with or without staging upto 4 mtr height using approved stout props with wood planks/ply wood/steel plate with required bracing for any kind of plain or reinforced concrete work in all sorts of minor structure including culvert, box culvert, cross-drain etc. The rate is inclusive of fitting, fixing and striking out after completion of work as per specification and direction.

b) Where staging is not required

125 mm th. Brick work with Fly Ash Bricks set in cement sand mortar (1:4) including raking out joints, curing, scaffolding etc. complete in all respect.

a) In ground floor

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

a) In ground floor

Plaster (to wall, floor, ceiling etc.) with sand and cement morter including rounding off or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding/staging where necessary

ii) (c) 10 mm thick plaster with cement morter (1:4)

Neat cenent punning about 1.5 mm thick in wall, dado, window, sills, floor,drain etc

Supplying, fitting and placing HYSD bar reinforcement in Sub-structure including initial straightening, straightening of coils bars, removal of loose rust (if any), cutting to requisite length bending, binding with annealed wire not less than 1 mm in size and conforming to IS 280 at every intersection hooked and bent to correct shape and placed on forms etc. including cost of black annealed wire and cost of loading, unloading, carriage of all steel materials complete as per drawing and technical specifications and direction of Engineer-in-charge.

The rate provided is exclusive of cost of steel materials. Construction wing should add cost & carriage of 1.05 MT (considering 5% wastage) of steel materials to arrive at the final consolidated item rate.

Earthwork in filling in foundation trenches with good earth in layers not exceeding 15cm. Including watering and ramming layer by layer complete with earth obtained from excavation of foundation or from fresh excavation of land arranged by Department within a lead of 150 m.

Supplying sign-board made of 25 mm thick sal plank and frame on all side of sal batten 50mm x 32 mm and 3.15m x 100mm x 100mm fitting fixing such with digging holes of dia 300 mm and depth 750 mm in all sorts of soil and repacking and consolidating the gap around the post with cement concrete (1:3:6) painting 2 coats including cost of nails, bolts and nuts etc. complete in all respect as per direction of the Engineer- in- charge. Payment of concrete and painting to be made separately.

(ii) 900 mm. x 600 mm. size of board.