PROVISION FOR RAIN WATER HARVESTING OF OFFICE ACCOMMODATION FOR AREA ACCOUNTS OFFICE (CC), LOCAL AUDIT OFFICE (A) AND LOCAL AUDIT OFFICE (B) PRAYAGRAJ.

Excavation 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 not exceeding 10 sqm on plan, not exc 1.5m in depth and getting out in soft/ loose soil complete all as specified and directed.

Excavation over areas, n.exc 1.5m deep and getting joint in soft/loose soil complete all as specified and directed.

All as per item No. 2 above but deep exceeding 1.50m but not exceeding 3.00 m complete all as specified and directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc. 25cm thick each layer in soft/ loose soil complete all as specified and directed.

Removing excavated material to a distance exc 250m but n.exc 500 m and depositing where directed at a level n.exc 1.5mtr abvoe the starting point complete all as specified and directed.

M&L cement concrete 1:4:8 type D-2 (using 40mm graded crushed stone aggregate) as in foundations, filling and mass concrete complete all as specified and directed.

M&L for brick work with fly ash old size bricks, straight or curved on plan exceeding 6m mean radius built in cement mortar 1:6, complete all as specified and directed.

M&L for providing cement concrete 1:2:4 Type B-1 using 20 mm graded crushed stone aggregate as in benching/coping and bed blocks plate including necessary form work, complete all as specified and directed.

M&L for rendering 15mm thick in CM 1:4 on fair faces of brick work or concrete surface of wall and finished surface even and smooth without using extra cement complete all as specified and directed.

M&L for plain cement concrete 1:3:6 Type C-2 using 40 mm graded crushed stone aggregate as in suface channels and drains including forms/ moulds etc. complete all as specified and directed.

M&L for cement concrete aggregate bed to drain pipe 150mm dia including packing under and haunching against the sides of pipe after they are laid and tested in cement concrete 1:4:8 type D-2 using 40mm graded crushed aggregate complete all as specified and directed.

M&L for 150mm bore double wall corrugated (DWC) pipes with integral sockets of SN 4 stiffiness class conforming to IS: 16098 laid in trenches and jointed with EPDM rubber seal and silaid rubber lubricant etc complete all as specified and directed.

S&F 110 mm bore PVC (SWR) pipes singles socket in any length with rubber ring joints fixed to walls complete all as specified and directed.

S&F 110 mm bore PVC (SWR) bend any radius complete all as specified and directed.

S&F 110 mm bore PVC (SWR), junction single, Single (Y or T) equal or unequal complete all as specified and directed.

S&F 110 mm bore PVC (SWR), bend with oval access door any radius suitable for PVC pipe jointed with solvent complete all as specified and directed.

M&L for form work to soffits of as roof slabs, floor slabs, landing and similar work not exceeding 200mm thick for fair finished concrete surfaces complete all as specified and directed.

M&L for form work to edges of concrete flat n.exceeding not exceeding 20cm wide and side of RCC band exc 10 cm but n.exc 20 cm wide for fair finished concrete surfaces complete all as specified and directed.

M&L reinforced cement concrete 1:2:4 type B-1 using 20mm graded crushed stone aggregate as in slab supported on wall, beams, and coloumns in floors and the like complete all as specified and directed.

S&F TMT steel bars 10mm dia and over cut to length, bent to shape required including cranking, bending spirally for hooping for columns and binding with and including mild steel wire (annealed) not less than 0.9mm dia complete all as specified and directed.

S&F cast iron work grade FG 150 articles exc 5 Kg each, unmachined in brackets manhole covers heavy duty and similar articles complete all as specified and directed.

Supply and spreading crushed stone aggregate 40mm size, filling in recharge pit complete all as specified and directed.

Supply and spreading crushed stone aggregate 20mm size, filling in recharge pit complete all as specified and directed.

M&L for coarse sand filling of approved quality as in filter including watering and well ramming complete all as specified and directed.

M&L mild steel framed work such as grills, gratings, cooler stand and supported of chajja frame etc. with ends of bars shouldered and/or riveted, or forged into spikes, framed guard bars, barred iron doors, ladders, framed balusters, walk ways, railings, framework of water tanks and similar work conforming to Fe-410 Gde E-310 complete all as specified and directed.

S&F 150mm bore uPVC rain water pipe (SCH-40) as per IS 12881 joint with solvent complete all as specified and directed.

S&F 150mm bore screened UPVC pipe (SCH-40) as per IS 12818-1992 joint with solvent complete all as specified and directed.

S&F for PVC (SWR) bends/cap any radius 160mm dia complete all as specified and directed.

Boring 300mm dia size duct bore (Recharge well) through any kind of soil/ strata upto required depth and getting out and disposal of soil to a distance not exceeding 50mtr from starting point and depositing where directed complete all as specified and directed.

M&L for Pea gravel packing for each trial bore of suitable size natural shape brough direct from river bed and packing around the casing pipe to entire depth upto ground level complete all as specified and directed.

Development of bore well by means of over pumping unit all as specified in IS:11189-1985 ,complete all as specified and directed. Note: Pump, pipe and other allied items will be arranged by contractor and no extra payment will made by the dept.