REPAIR AND CLEANING OF SEWAGE LINE MANHOLES,SEPTIC TANKS, SOAK PITS AND CERTAIN MISC WORKS AT ARMY STATION KATIHAR UNDER AGE (I) (AF) PURNEA

Amount

Cleaning of blockage of Indian/European type water closet by using hand pump with rubber bucket or by opening the inspection eye by using cleaning rod etc till clear flow of water is observed and finally cleaning the water closet by flush of water complete all as specified and as directed.

Cleaning of blockage of floor/nahani/waste pipe of wash hand basin/sink/bath rooms/kitchen by using hand pump with rubber bucket or by cleaning rod till clear flow of water is observed complete all as specified and as directed.

Cleaning of sewage line (drain pipe) from manhole or from cleaning eyes or from inspection chamber towards septic tank / soak well by roding, watering and removing the solid /liquid sludge and foreign materials completely from inside pipe and depositing in a excavated pit to a distance exceding 50 m where directed includingnecessary returing filling and removing of surfalus soil if any after deposting sludge for 100 mm bore of pipe and below sprinking , blenching powder around and surrounding areas of the deposting areas..

All as per item No 03 above but for 150 mm bore of pipe etc complete.

Cleaning of septic tanks/manholes soak well etc by de-watering and setting out dense sludge or any foreign materials from inside and removing to a distance exc. 100 mtr and depositing in a excavated pits to a distance exc. 100 mtr where dirrected including necessary returning filling and removing of surplus soil if any after depositing sludge and sprinkling of bleaching powder all around of pit/ pits.

All as per item No 05 base in before but liquid sludge etc complete.

Demolition of brick work built in cement mortar including all quoins arches etc complete.

M & L for brick work with sub class 'B' bricks straight or curred on plan n. exc. 6.00 mtr mean radius built in cement concrete 1:4 complete all as specified and as directed.

All as per Srl item No 8 above but except bricks and -ditto- (Note : Old serviceable bricks shall be obtained from Srl item No 7 here-in -before)

Excavation in trenches not exceeding 1.50 Mtr wide and not exceeding 1.50 Mtr deep soft/ loose soil and getttng out for breaking of drain pipe only.

Demolition and breaking up drain pipe (SWG) internal dia 150 mm set in cement mortar (excluding cement concrete bed etc which will be measured separately .

Demolition of cement concrete (un-reinforced) of any description not otherwise specifically provided for.

M & L for concrete bed to drain pipe including packing under and haunching against the sides of pipes after thy are laid and tested in cement concrete 1:3:6 type C2 (using 40 mm graded stone aggregate) for 150 mm bore of pipe.

M&L for salt glazed stone ware drain pipes 150mm internal dia laid in trenches and jointed complete with collars 150mm bore etc complete.

Demolition of reinforced cement concrete specifically provided for manhole cover slabs etc complete.

M & L for providing pre cast cement concrete 1:2:4 type B1 (using 20 mm graded stone aggregate) as in cover slab set in cement concrete 1:6 including necessary form work all as directed (Reinforcement neasured and paid separately).

M & L for TMT bars 8 mm dia and over cut to length bent to shape required working end and binding with and including MS wire (annealed) not less than 0.9 mm dia as in reinforcement.

M & L for rendering 15 mm thick in cement mortar (1:4) on fair face of brick work or concrete surfaces finishing even and fair mixed with WPC @ 2% by weight of cement (WPC measured and paid separately)

Supply only integral water proofing compound etc complete.

M&L for Cement concrete in foundations filling and mass concrete type D-2 1:4:8 etc complete.

M&L for PCC type B1 with using 20mm graded broken 1:2:4 stone aggregate as in coping incl neccesary form work.

M&L for finishing the cement concrete / plaster surfaces such as benching to manholes etc even and smooth with using extra cement complete all as specified and as directed.

Returning filling in including spreading leveling watering and wall ramming in a layer n.exc. 25 cm each as soft soil.

Removing excavated material n. exc .50 mtrs and depositing where as directed at a level n.exc 1.5 mtr above the starting point

M&L for PCC 1:3:6 type B1 using 20mm graded stone aggregate as in surface channels & drain complete all as specified and directed.

Extra for forming fair finished drain or channel 40 cm inner girth in cement concrete, using extra cement including form moulds, mitred/stopped ends etc.

S&F in repair for 110mm bore PVC (SWR) bend of any radius with oval shape cleaning door eye including cutting holes to brick walls, built in cement mortar and maikng good the holes with PCC (1:2:4) type B1 with finishing the surfaces of laster in cement mortar (1:4) to match the existing finish complete all as specified and as directed.

S&F in repair 110mm PVC (SWR) branch piece single (Single or double 'Y') equal or unequal incl cutting holes to bricks walls built in cement mortar and making good the holes with PCC (1:2:4) type B1 with finishing the surfaces of CM (1:4) to match the existing finish complete all as specified and as directed.

S&F in repair 75mm bore PVC (SWR) bends any radius with access door complete all as specified and as directed.

S&F in repair 110mm bore PVC (SWR) pipes single socket in any length with rubber ring joints fixed to wall incl taking down old and U/S CI/PVC/AC soil pipe including fittings complete all as specified and as directed.

All as per Srl No 30 above but 75mm bore of pipe incl taking down old and U/S CI/PVC/AC soil pipe including fittings etc complete.

S&F PVC (SWR), junction single, (Single T) equal or unequal 110mm dia etc complete.

S&F 50mm bore PVC (SWR) high density polyethylene (HDPE) pipes of single socketed, in any lenth with rubber ring joints laid in trenches or in floors etc complete.

S&F PVC (SWR), P trap 110mm dia etc complete. Note:-The contract sum shall be arrieved at after deducting amount of schedule of credit from the total quated amount.

M/s Ram Das

M/S. MAJUMDER CONSTRUCTION