Military Engineer Services Tender

Excavation in trenches in hard/dense soil not exc 1.5 mtr wide and not exc 1.5 mtr in depth as in foundation, drain etc complete all as specified and as directed.

Material and labour Concrete bed to drain pipes including packing under, and haunching in PCC 1:4:8 type D2 using 40 mm graded aggregate against the side of SWG/RCC pipes after they are laid and tested for 200mm dia bore pipe all as specified and as directed

Clearing of sewage line blockage from nahani trap/ gully trap to first manhole, cleaning eye of down take pipe and removing all debris, sludge and solid material from the traps/ cleaning eyes and removal from site and well flushing with water after clearing the blockage of pipes in any dia at any position all as specified and as directed by Engineer-in-Charge.

110mm bore PVC (SWR) pipe, type 'B' , single socketed in any length with rubber ring joints fixed to walls / laid in floors complete all as specifed and as directed.

All as per Sl Item No. 1.03 above but at a depth of 1.5 metre to 3.00 metre. NOTE FOR SL ITEM NO. 1.01 to 1.04 :- (i) The rates quoted for items deemed to include the cost of T&P items, peripherals required etc complete. (ii) The lines or manhole measured once can not be measured again within 3 months, if blockages in the same lines or manhole re-occur within 3 months due to neglegence or left over debris in the attended portion, the contractor shall be held responsible and he will again make the line functional and nothing will be paid extra on this account. (iii) Minimum one sweeper and one helper shall be deployed by the contractor and they shall be present on all working days from 0900 hrs to 1700 hrs for maintenance of sewage lines for each complaint cell area and the persons will be detailed by complaint cell - in - charge concerned every morning for attending complaints on daily basis.

Cleaning of sewer line by mechanically by truck mounted sewage cleaning of sewage line water sludge tank with wash down system / suck derrick arm hydrualically spring loaded rotary sliding vane compressor with V hose end section no 33 nozzle and strainer all as specified and as directed by Engr-in-Charge. Note: Copy of vehicle entry and out duly defaced by Engr-in-Charge shall be produced for making payment.

75mm bore PVC (SWR) pipe, type 'B' , single socketed in any length with rubber ring joints fixed to walls / laid in floors complete all as specifed and as directed.

Material and labour Reinforced concrete pipes, class NP2, of 150mm dia laid and jointed complete with collars all as specified and directed.

Pre-cast Reinforced Cement Concrete, (1:2:4), type B1, (using 20mm graded stone aggregate) as in cover slabs for man hole set in CM (1:4) all as specified and as directed.

Clearing of sewage line blockage from WC to first manhole, cleaning eye of down take pipe and removing all debris, sludge and solid material from the traps/ cleaning eyes and removal from site and well flushing with water after clearing the blockage of pipes in any dia at any position all as specified and as directed by Engineer-in-Charge.

Demolition of brick work / PCC block masonry work built in cement mortar etc complete all as specified.

PVC (SWR) bends any radius 110 mm dia, type 'B' with access door complete all as specified and as directed.

Clearing of sewage line blockage from manhole to manhole, of length n.exc. 30 meters affected with clogging of mud, rat activities etc., of moderate natue and removing all debris, sludge and solid material from the manhole and well flushing with water after clearing the blockage of pipes in any dia for a depth of 0.45 metre to 1.50 metrer and making good the disturbed surfaces complete all as specified and as directed.

Demolition of RCC man hole covers and similar works etc complete all as specified and as directed.

Desludging/ dewatering ,Cleaning of septic tank including sludge by pumping out using mechanical equipment and transported by a vehicle of capacity 6000 Ltrs and removed outside MD land including cleaning off shrubs/bushes, vegetarian found around 5 Mtrs from external edge of septic tank and sludge chamber all as specified and directed by Engineer in charge.

TMT bars 8mm dia as in reinforcment, cut to length bend to shape including cranking and binding with mild steel wire (annealed) not less than 0.9mm dia complete all as specified and as directed.

Removing excavated soil to a distance n.exc 50m and depositing where directed at a level not exc 1.5 m above the the starting point.

Precast Concrete block masonry with solid blocks exc 10 cm in width and setting in mortar (1:4) with minimum compressive strength of 4 N/ sq.mm complete all as specified and as directed.

Plain Cement Concrete (1:3:6), type C2, using 40 mm graded stone aggregate as in foundation bed concrete etc complete all as specified and as directed.

Returning, filling in, including spreading levelling watering and well ramming in layers n.exc 25 cm in hard/dense soil all as specified and as directed.

PVC (SWR) bends any radius 75 mm dia, type 'B' with access door complete all as specified and as directed.

Demolition and breaking up of 150 mm dia SGSW drain pipe with bed concrete set in cement mortar including removing debries out side MD land all as specified and as directed.

Material and labour Reinforced concrete pipes, class NP2, of 200mm dia laid and jointed complete with collars all as specified and directed.

15mm thick plastering in CM(1:4) on fair faces of brick work or concrete surfaces, finished even and smooth with out using extra cement mixed with approved water proofing compound all as per manufacturers instructions complete all as specified and directed. NOTE:- Water proofing compound will be measured and paid separately.

Plain Cement Concrete (1:2:4), type B1, using 20 mm graded stone aggregate as in coping, benching of manholes and similar work etc complete all as specified and as directed.