DE-SLUDGING OF SEPTIC TANKS, CLEANING OF

Cleaning of blocked / chocked Nahani trap / floor trap/WC/ Wash basin/ including drain / sewer / sewage line of any description (SGSW / RCC / CI pipe/SWR Pipe) of 75mm/100 mm / 150 mm / 200 mm dia and any depth by rodding or by mechanical means and well flushing the complete drain / sewer line upto first manhole to the entire satisfaction of Engineer – in - charge with and including taking out and re-fixing of manhole covers where required complete all as specified and directed. Note (i) : Contractor or his supervisor /site Engineer will report daily at 0900hrs at complaint cell for collection of complaints from the concerned JE in -charge, in case after checking & attending the complaints, if it is not possible to rectify the defects within 08 hrs, the facts shall be brought to the notice of JE than after charge is satisfied with contractor's view, no recovery will be made on this account. However complaints related to sewage line blockage / pipe replacement etc whatever is applicable shall be attended on same day whether it is 'Sunday" or "Gazetted Holidays" and nothing extra shall be payable to contractor on this account. Note (ii) : Contractor or his supervisor / site engineer will report daily at 0900 hrs at complaint cell for noting of day to day complaints in complaint register, issue of complaints slip to tradesman and enter after completion in complaints register as instructed by JE,s. In case of absence of contractor rep for noting complaints, a penalty of Rs 1000.00 per day will be deducted from the contractor bill. Note (iii) : The complaint shall be attended & defects shall be rectified within 08 hrs i.e. from 0900 hrs to 1700 hrs excluding Sunday or gazetted holiday, commencing from date and time of notifying the complaint slip failing which a Penalty @ Rs. 500/- Per complaint per day (08 hrs) shall be levied upon/ imposed on the contractor and necessary recovery shall be made from his dues on this account.Note (iv) : The above all aspect shall be deemed to be included in this quoted rate of the respective item.

Cleaning of manhole to manhole, using high pressure water jetting machine, including cleaning/ clearing blockages with all tools and labours as per the site requirement pipe size 150 mm and over including man holes through chasis mounted Diesel run vehicles mounted hydraulic operated high pressure suction cum jetting sewer cleaning machine KAMBI-10 LCHB fitted with imported international standard pumps having minimum of 3000 litres to 4500 litres sucking capacity including skilled operator supervising engineer for cleaning/partial desilting of manholes and sewer line as per guide lines laid in IS -11972 (1987) and complete cleaning of site all as directed by Engineer in charge. Note :- (a) Jetting of sewer line by high pressure jetting system of 2200w PSI/Suction. (b) The complaint has to be rectified within 24 hrs from the complaint assign to the contractor failing which penalty will be imposed @500/- per complaint per day.

M&L for de-watering /de-sludging of sewage well and septic tank of any size & approx. 2 to 3 metre depth ,excavation of waste water from collection tank using 4500 litres to 5000 litres vacuum suction tanker, De-watering of liquid or semi liquid waste by water sucking hydraulic pressure machine including cleaning of all sludge silt residue of both organic nature by manual labour or by mechanical scrappers etc in any position & disposal off all the waste outside the defence land the de-sludging of sewage sump is to be carried out upto the bottom slab of sewage sump/ sewage well complete. The sewage well wall & bottom slab to be cleaned by water with high pressure up to entire satisfaction of Engr-in-charge, necessary safety precaution to be adhere during working. Note :- (a) Jetting of sewer line by high pressure jetting system of 2200w PSI/Suction. (b) The complaint has to be rectified within 24 hrs from the complaint assign to the contractor failing which penalty will be imposed @500/- per complaint per day.

Taking off existing manholes covers & cleaning of manholes depth up to 2 metre by de-watering and taking off the rubbish / sludge etc., removing the same up to 50 m distance and put into newly excavated pits of suitable size and covering with excavated earth and placing back in position the removed covers complete all as specified and directed.

Taking off existing manholes covers & cleaning of grease pit (any type) not exceeding 3 metre depth by de-watering and taking off the rubbish / sludge etc., removing the same up to 50 m distance and put into newly excavated pits of suitable size and covering with excavated earth and placing back in position the removed covers complete all as specified and directed.

Demolition of brick work or stone/boulder masonry, built in cement mortar or cement lime mortar including all quoins, arches, pillars, etc but excluding ashlar facings dressed stone work and precast concrete articles complete all as specified and directed.

M&L for Pre-cast cement concrete block masonry with solid blocks, exc. 10 cm in width and setting in mortar, 1:6 type C1 1:3:6 (using 20 mm graded stone aggregate) complete all as specified and directed.

M&L for Brickwork with sub class ‘B’ bricks straight or curved on plan exc 6m mean radius built in CM 1:4 complete all as specified and directed.

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

Demolition of reinforced cement concrete in any position and any description including cutting of reinforcement bars to facilitate demolition complete all as specified and directed.