Construction of a new 2-Pump Fire Station at Itahar under Uttar Dinajpur District, under Uttar Dinajpur Division, PWD.

Main Building 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 1.5m.

Depth of excavation for additional depth beyond 1,500 mm. and upto 3,000 mm. but not requiring shoring

Depth of excavation for additional depth beyond 3000 mm. upto 4000mm. excluding cost of shoring as necessary.

Hire and labour charges for shoring work (including necessary close plank walling, framing, Eucalyptus/Jhou bulla piling, strutting etc) complete as per direction of the Engineer-in-charge for foundation excavation (vertical surface are in contact with supported earth is to be measured.) (This item should be executed on specific direction of the Enginner in charge). Depth upto 1.5 m.

For additional depth beyond 1.5 m. and upto 3.00 m

For additional depth beyond 3.00 m.

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

Sand filling in foundation trenches and at the back of abutments, wing-walls etc. with good medium 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.

Single brick flat soling of picked Jhama bricks including ramming and dressing bed to proper level and filling joints with powered earth or local sand.

Anti termite treatment to the top surface of the consolidated earth within plinth walls with chemical emulsion by admixing chloropyrofos emulsifiable concentrates (1% concentration) with water by weight at the rate of 5 Litres per sq. m. of the surface before sand bed or sub-grade is laid. Holes upto 50 mm. to 75 mm. deep at 150 mm. centre to centre both ways shall be made with 12 mm, diameter mild steel rod on the surface to facilitate saturation of the soil with the chemical emulsion. The work shall be carried out as per specification described in para 6.4 of code IS6313 (part -II) 1981. ( Mode of measurment will be per Sq.m