ADDN/ALTN TO BLDG NO. P-71 AND CERTAIN E/M AND B/R WORK IN RANADAS SECTION AT AF STN DARBHANGA UNDER GE AF BIHTA.

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

Cement concrete type D-2, 1:4:8 (using 40 mm graded stone aggregate), finished even & rough, as in foundation filing and mass concrete, complete all as specified.

Rolled mild steel work as in tubular trusses including special shaped washer etc using ERW or induction butt welded tube conforming to IS 1161-1979 grade St -240 complete all as specified. quality-A complete all as specified

Mild steel work plates ( plain or chequered) channels, square cut or notched (ordinary and counter sunk) forming holes without any attachment confirming to Fe-410 -Gde E-250, quality-A complete all as specified

Stainless steel wire cloth 0.36 mm nominal dia of wire and average width of aperature 1.40 mm and fixed with tinned tacks or steel wire staples all as specified.

04 levers brass mortice lock, vertical type, 100 mm size, with 2-3 keys, complete all as specified.

Double action floor door spring, hydraulically regulated, made of 1.25 mm thick aluminium alloy sheet, foundation box main body with stainless steel cover, governing pivot made of brass, rest of part made out of heavy duty mild steel, ISI marked, complete.

Powder coated aluminium frame for doors, windows, ventilators, fixed glazing with one or more rebates including joining cleat for fixing, fixed to opening with suitable size steel screws and rawl plugs etc., (aluminium section not less than 2 mm thick) complete all as specified. NOTE:- Minimum thickness of powder coating shall be 50 micron.

Powder coated aluminium door shutters (Aluminium section weighing 0.55 kg/m) with styles & rails , anodised alumnium glazing snap beading, rubber neoprene packing including joining cleats & screws etc as per manufacturers instructions, complete all as specified. NOTES: (a) Each shutter shall have 2 Nos. 200 mm long almn handles and 03 No. 100 mm size stainless steel/almn butt hinges. (b) Glass and other filling materials in panels including wire cloth and almn grill shall be measured & paid for separately under respective item of BoQ. (c) For powder coated aluminum sections minimum thickness of powder coating shall be 50 micron. (d) Aluminium section weighing 0.55 kg/m

Powder coated aluminium window and ventilator shutters (Aluminium section weighing 0.55 kg/m) side hung type with styles & rails , anodised alumnium glazing snap beading , rubber neoprene packing including joining cleats & screws etc as per manufacturers instructions, complete all as specified. NOTES: (a) Each shutter shall have 2 Nos. 125 mm long almn handles and 02 No. 75 mm size stainless steel/almn butt hinges & one no. almn hook & eye. (b) Glass and other filling materials in panels including wire cloth and almn grill shall be measured & paid for separately under respective item of BoQ. (c) For powder coated aluminum sections minimum thickness of powder coating shall be 50 micron.