SPL REPAIR AND REPLACEMENT OF DRAINAGE AND SEWAGE PIPE LINE IN CERTAIN BLDGS AT UMROI MIL STN UNDER GE UMROI

Amount

Demolition of precast concrete block walling set in cement morter, complete all as specified and directed.

Demolition of cement concrete of any description and in any position not otherwise specifically provided, complete all as specified and directed.

Demolition of cement concrete (reinforced) of any description and in any position not otherwise specifically provided, complete all as specified and directed.

Separating, scraping and cleaning of reinforcement (Demolition of concrete measured separately) complete all as specified and directed.

Demolition and breaking up drain pipes 150mm bore (salt glazed ware, AC or reinforced concrete) set in CM complete all as specified and directed.

Excavating in trenches, n.exc 1.50 m wide & n.exc 1.5 m in depth; for foundation etc. or for shaft , wells , cesspits, manholes, piers holes, etc.n exc 10 sqm on plan and n exc 1.5 m in depth and getting out in Hard/dense soil, complete all as specified and directed.

All as per item No 6 here in before but depth exc 1.50 mtr but n.exc 3.00 mtr, complete all as specified and directed.

M&L for cement concrete 1:4:8, type D2 (using 40 mm graded stone aggregate) as in foundation filling and mass concrete, complete all as specified and as directed

Material and labour for brickwork with AAC block (autoclave aerated concrete) brick work in CM 1:6 ,Straight or curved on plan exc 6 m mean radius, complete all as specified and directed

M&L for providing PCC 1:2:4 type B1 using 12.50 mm graded stone aggregate as in coping, benching/haunching, slightly rounded or chamfred angle and throating etc complete all as specified and directed.

M&L for Cement concrete 1:3:6, type C2 using 40 mm graded stone aggregate as in surface channels and drains, complete all as specified and directed.

M&L Extra for forming fair finished drain or channel 30 cm inner girth in cement concrete, using extra cement, including forms, moulds, mitred/stopped ends etc, complete all as specified and directed.

M&L for renderng 15mm thick in CM 1:4 on internal/external wall surfaces finished even and smooth using extra cement with using WPC as per manufacturing instruction, complete all as specified and directed. NOTE:- ( WPC shall be measured and paid separetely).

Supply only Water proofing compound

M&L for precast RCC 1:2:4 type B-1 (using 20 mm graded stone aggregate) as but in landings, cover slabs (for man holes etc.) chullah hoods, chajjas, water troughs, mangers, shelves and similar articles with plain face set in CM 1:6 including necessary form work if required, complete all as specified and directed.

M&L for Mild steel TMT bars 6 mm to 8 mm dia cut to length bent to shape required including cranking bending spirally for hooping for columns hooking ends and binding with and including mild steel wire ( annealed) not less than 0.9 mm dia, complete all as specified and directed.

M&L MS round bars 10mm dia and over, cut to length, bent to shape as required incl cracking bending hooking ends and binding with mild steel wire (annealed) not less than 0.9 mm dia, complete all as specified and as directed

M&L for 150 mm bore salt glazed stoneware drain pipes grade 'A' laid in trenches, tested and jointed in CM 1:1 with spun yarn, complete all as specified and directed.

M&L for concrete bed to drain pipes incl pakcing under and haunching againat the sides of pipe after they are laid and tested in cement concrete 1:3:6 type C2 for 150 mm bore of pipe, complete all as specified and directed.

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

Removing excavation material n.exc 50 m and depositing where directed at a level n.exc 1.50 m above the starting point including spreading and levelling, complete all as specified and directed.

M&L for cutting into existing manholes for connecting new drains, making good to pipe and rendering, cutting out existing benching for and forming branch channel (1/2 round or 3/4 section) in cement concrete 1:2:4 type B-1 smooth finished , and reforming benching as required 150 mm dia of pipe, complete all as specified and directed.

Schedule of Credit

MOINUL HOQUE CHOUDHURY

M/S C.M.V CONSTRUCTIONS

M/S P&R CONSTRUCTIONS

M/s Sohini Construction