PROVN OF TRUSSES AND COVER FOR VEHS AT 2212 SQN, PROVN OF PRE-FABRICATED COVERED SHED AT NBC HALL, PROVN OF CLOTH DRYING HANGER FOR CERTAIN OMQS AND SMQS AND PROVN OF BATHROOM (QTY-2) FOR GUARD POST AT 3 AFRU CHANDAN

M & L for Surface dressing n exc 15 cm deep as directed by Eng-in charge.

Excavating in post holes (or similar holes) each n exc 0.5 cum getting out, returning , filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25 cm, watering and removing surplus soil to a distance n exc 50 m and making good surface.

Removing excavated material n exc 50 m and deposited where directed at a level n exc 1.5 m above the starting point.

M&L cement concrete in foundations, fillings and mass concrete 1:3:6 type B-2 using 40 mm graded stone aggregates

M & L for Rolled sections as in framing for cladding, glazing and the like fixed with angle cleats and connecting plates, etc.Fe 410 -W (Gde- E- 250) quality-A

S&F for Steel work in tubular trusses using hollow tubuliar/square/rectanguliar pipes including special shaped washer etc. complete using ERW or induction butt welded tubes conforming to I. S.1161-1979 grade St.-240

Preparation of newly steel surface and applying two coat of synthetic enamel paint over a coat of red oxide all as specfied

S&F for pre painted galvalume aluminium zinc coating GI based corrugated steel sheet 0.50 mm thick an colour having tensile strength of 550 Mpa as in roof covering / cladding to wall /Eaves, fixed with self tapping screws as specified and as per manufacturer specification.

Surface excavation not exc 30 cm and averaging 15 cm deep and getting out in any type of soil, all as specified.

Excavating in trenches, n exc 1.5m wide and n exc 1.5m in depth; for foundation etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10sq m on plan and n exc 1.5m in depth and getting out in any type of soil as directed.