REPAIRS AND CLEANING OF SEWAGE LINE, MANHOLES, SEPTIC TANK, SOAK PITS AND CERTAIN MISC WORK AT ARMY STN KATIHAR UNDER GE 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 trap/nahani trap/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 and refixing the grating in CM (1:3) including testing by pouring the water until smooth flow, 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, complete all as specified and as directed.

All as per item No 03 here-n-before but for 150 mm bore of pipe complete all as specified and as directed.

Cleaning of septic tanks/manholes soak well etc by de-watering and setting out liquied 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, complete all as specified and as directed.

All as per item No 05 here-in-before but dense sludge complete all as specified and as directed.

Demolition of brick works built in cement mortar including all quoins pillars arches etc including PCC benching/coping etc complete all specified and as directed.

M&L brick work with sub class 'B' bricks straight or curved on plan exc. 6m mean radius in CM 1:4 using old size brick, complete all as specified and as directed.

All as per item No. 8 here-in-before but except bricks complete all as specified and as directed. Note:- Old serviceable bricks shall be obtained from Sr item No. 7

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

M&L Pre-cast RCC 1:2:4 type B-1 (using 20mm graded crushed stone aggregate) as in manhole cover slab fixed in position including necessary form work and set in CM 1:6, complete all as specified and as directed. Note:- Reinforcement shall be measured and paid separately under relvant items here-in-after.

M&L for TMT bars 10 mm dia and over 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 0.9mm dia or securing with clips conforming to IS: 1786 complete all as specified & as directed.

M&L for rendering 15mm thick cement plaster in CM 1:4 including mixing with WPC @ 3% of weight of cement as per manufactures instuction, on fair faces brick or concrete surfaces of wall including surface finished even and smooth without using extra cement complete all as specified and as directed.

Supply only integral water proofing compound complete all as specified and as directed

M&L for PCC 1:2:4 type B1 with using 20mm graded broken stone aggregate as in roof kerbs or mud stops, rounded or chamfered on edges as in coping and including necessary formwork, complete all as specified and as directed

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.

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

M&L for PCC 1:3:6 type C2 using 20mm graded stone aggregate as in surface channels & drain complete all as specified and directed.

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 plaster in cement mortar (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 and conform to IS 5382-1985, complete all as specified and as directed.

S&F in repair 110mm bore PVC (SWR) pipes type 'B' and pipes conform to IS 13592-1992 single socket in any length with rubber ring joints fixed to wall with including necessary clamp and rubber rings for pipes and fittings shall conform to IS 5382-1985, complete all as specified and as directed.

All as per ser Item No 21 here-in-before but 75mm bore of pipe type 'B', complete all as specified and as directed.

S&F in repairs 50mm bore low density polyethylene (LDPE) pipes complete all as specified and as directed..

S&F in repairs PVC (SWR), P trap 110mm dia conform to IS 5382-1985, complete all as specified and as directed. Note:-The contract sum shall be arrieved at after deducting amount of schedule of credit from the total quoted amount.

M/S P. RAI CHOUDHURY AND CO.