DE SLUDGING OF SEPTIC TANK SOAKAGE WELL AND MANHOLES UNDER AGE BR I OF GE 865 EWS

Amount

Desludging/cleaning including dewatering of septic tank/soak well/manholes in any dia and depth upto 1.5 mtr for liquid and slurry material and removing the sludge from the tank by mechanical using hydraulic operated high pressure suction cum jetting sewer cleaning machine having jetting tank capacity of minimum 5000 ltr and suction tank capacity of 300 ltrs and 260 LPM with minimum 145 bar suction flow of 10200 LPM including skiled driver and operator abd supervising Engineer including provision of water for jetting and removal of sludge/silt/liquid/mud and sand (in foul position) etc inside the MoD land/premises at any distance complete all as specified and directed by Engr-in-Charge including loading, unloading digging out pit of any size in any type of soil, scouring sludge/silt/spoil/mud etc into the pit and spraying bleaching powder over the entire surface complete. Note:- (a) The service provider/contractor during the mechanized operation shall be equipped with gas monitor, nylon rope ladder, torch light and compressor blower etc along with the sewage cleaning truck mounted suction/jetting machine. (b) The cleaning shall be carried out with mechanised operation by means of jetting machines and the sludge sucked out with super succer machine of required capacity and sent to storage tanks for further disposal to the authorised disposal site. (c) Manual cleaning operation/scavenging is prohibited. (d) The unit rate shall deem to include for all materials, labour of skilled/unskilled, tools and plants and requisite quantity of water for the entire operation and transportation arrangements. (e) The measurement shall be included with depth of water and sludge/silt/mud.

Desludging/cleaning including dewatering of septic tank/soak well/manholes in any dia and depth exc 1.5 mtr but not exc 3.00 mtr for liquid and slurry material and removing the sludge from the tank by mechanical using hydraulic operated high pressure suction cum jetting sewer cleaning machine having jetting tank capacity of minimum 5000 ltr and suction tank capacity of 300 ltrs and 260 LPM with minimum 145 bar suction flow of 10200 LPM including skiled driver and operator abd supervising Engineer including provision of water for jetting and removal of sludge/silt/liquid/mud and sand (in foul position) etc intside the MoD land/premises at any distance all as directed by Engr-in-Charge including loading, unloading digging out pit of any size in any type of soil, scouring sludge/silt/spoil/mud etc into the pit and spraying bleaching powder over the entire surface complete. Note:- (a) The service provider/contractor during the mechanized operation shall be equipped with gas monitor, nylon rope ladder, torch light and compressor blower etc along with the sewage cleaning truck mounted suction/jetting machine. (b) The cleaning shall be carried out with mechanised operation by means of jetting machines and the sludge sucked out with super succer machine of required capacity and sent to storage tanks for further disposal to the authorised disposal site. (c) Manual cleaning operation/scavenging is prohibited. (d) The unit rate shall deem to include for all materials, labour of skilled/unskilled, tools and plants and requisite quantity of water for the entire operation and transportation arrangements. (e) The measurement shall be included with depth of water and sludge/silt/mud.

M&L for soak well/soak pit of dia 3.00 mtr internal at top and depth of 1.80 mtr from botton having min 2.45 mtr height 380 mm thic random rubble uncoarsed stone masonary wall in CM 1:6 with 150 mm thick PCC 1:4:8 type D2(Using 40 mm graded aggregate) below stone masonary at Bottom ad RCC coverslab using Design mix concrete M-25 or 1:1.5:3 nominal mixwith reinforcement 10 mm dia bars @ 150mm C/C both ways top and bottom layer of concrete including arrangement for manhole opening and manhole cover, inlet for 100/150 mm dia pipe connected with existing manholes including dismantling and filling of existing soak well/soal pit and make a true surface complete all as specified as per Drg No. CESZ/TD-1078/2011 sheet 1/1 Note :- The rate includes excavation in hard/dense soil and construction of soak well as per drawing, connection of inlet pipe, 100 mm dia PVC vent pipe with cowel, returning and filling and removing of surplus soil to a distance exc 50 mtr but not exc 100 mtr from site. If any issues regarding drawing finalized by Engr in Charge during execution.

M&L for cleaning of blocked /ice frozen drain pipes 100mm to 200 mm bore by pouring hot water, rodding from trap to manhole to septic tank or vice versa and well flushing with water after cleaning including manholes and removing waste material to a distance n.exc 50m and burying in pits and refilling the same complete all as specified and directed by Engr-in charge . NOTE: The cost for excavation and earth work for pits is deemed to be included in the unit rate

M&L for cleaning of cast iron/pvc pipes 100 mm to 150 mm bore pipes by rodding with iron rod , jute bags and well flushing after cleaning complete all as specified and directed

M&L for cleaning of cast iron/pvc pipes 50 mm to 75 mm bore pipes by rodding with iron rod , jute bags and well flushing after cleaning complete all as specified and directed

M&L for cleaning of floor traps upto 100mm dia and remove waste material to a distance n.exc 50m and burying in pits complete all as specified and directed by Engg-in charge . NOTE: The cost for excavation and earth work for pits is deemed to be included in the unit rate

Demolition of precast concrete block walling built in cement mortar including all quoins, arches , pillars etc all as specified and as directed.

Excavation over area n exc 1.50 m deep and getting out in hard/dense soil for Septic tank, Manhole etc complete all as specified and directed.

Excavation over area exc 1.50 m deep and n exc 3.00m in depth and getting out in hard/dense soil complete all as specified and directed.

M&l for PCC type D-2(1:4:8) using 40mm graded crushed stone aggregate as in mass concrete and filling of foundation all as specfed and drected.

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

Ditto as item No 12 above but except blocks complete all as specified and directed.

Demolition of reinforced cement concrete of any description and in any position not otherwise specifically provided for (reinforcement cut as required to facilitate demolition), all as specified and as directed,

M&L reinforced cement concrete type B-1 (1:2:4) nominal mix (using 20 mm graded crushed stone Aggregate) as in Roof slabs supported on wall complete all as specified and directed.

M&L form work to soffits of suspended flat slabs such as roof slabs ,floor slabs, landings and similar works (smooth finished flat surface of concrete) not exceeding 200mm thick (Horrizontal or sloping) complete all as specified and directed.

M&L form work to to edges of concrete flat n exc 20 cm wide rough finished complete all as specified and directed.

Supply only septic tank decomposer and odor remover powder complete all as specified and directed. Make : Bioclean /bio reme or equivalent

M&L for mild steel steel TMT bars 10mm dia and over cut to length bent to shape required ,including cranking ,bending spirally for hooping columns hooking ends and binding with mild steel wire annealed not less than 0.9 mm dia for manhole/soakage well cover complete all as specified and directed.

M&L for precast cement concrete 1:2:4, type B-1 (using 20mm graded crushed stone aggregate) as in manhole cover slabs and the like position set in cement mortar 1:6 complete all as specified and as directed (reinforcement shall be measured & paid separately) complete all as specified and directed.

Taking down cement plaster on brick or concrete surfaces including racking out joints hacking for key, scrubbing down with water etc. complete all as specified and as directed

M&L for 15mm thick rendering on fair faces of brick works finished even and smooth with water proofing compound 3% of cement weight without using extra cement in cement mortar 1: 4 complete all as specified and as directed Note : Water proofing compound will be measured and paid seperately.

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

M&L Cement concrete 1:3:6, type C2 (using 40mm graded crrushed stone agg) as in foundation filling and mass concrete complete all as specified and directed.

M&L PCC 1:2:4, type B-1(using 20mm crushed stone graded aggregate) as in coping, benching etc including necessary chamfering, weathering, throating etc and including forms works and set in cement mortar 1:6, complete all as specified and as directed.

Excavation in trenches not exceeding 1.50m wide and not exceeding 1.50m in depth for sewage line, septic tank, manholes etc not exceeding 10 Sqm on plan and not exceeding 1.5m in depth and getting out in hard/dense soil complete all as specified and as directed.

Dismantling of cast iron /PVC or reinforced concrete pipes jointed in cement mortar and taking out of trenches if reqd of any dia complete all as specified and directed.

M&L for PCC 1:4:8 , type D -2 (40mm gradded crushed stone aggergate) bed to drain pipe 150mm dia pipe including packing under and haunching against the side of pipe after they are laid and tested complete all as specified and directed.

S&F 150mm dia bore (inner dia) double wall corrugated HDPE pipe (SN 8) in any length including all fittings and jointing with eastomeric rubber link and cuppler/other jointing materials laid in trenches or in floor all as specified and directed.

S&F 110mm dia bore PVC pipes single socketed having compressive strength 655 - 675 Kg/Cm2 , in any length with rubber ring joints , laid in trenches or in floors including PCC 1:4:8 type D-2 (using 40mm draded aggregate) bed to drain complete all as specified and directed by Engr-in-charge.

S&F110mm bore PVC (SWR) pipe bends ISI marked complete all as specified and directed.

S&F 75mm bore PVC (SWR) pipe ISI marked single socketed having compressive strength 655 - 675 Kg/Cm2 , in any length with rubber joints fixed to walls complete all as specified and directed.

S&F 75mm bore PVC (SWR) pipe bends ISI marked complete all as specified and directed.

S&F PVC (SWR) T (Single T) of 110mm dia ISI marked complete all as specified and directed.

S&F PVC (SWR) T (Single T) of 75mm dia ISI marked complete all as specified and directed.

Cutting into existing manholes for connecting new drains, internal dia of pipe 100 mm making good to pipe & rendering cutting out existing benching for forming branch channel (1/2) to or 3/4 section in cement concrete (1:2:4) type B-1, smooth finished, all as specified & directed.

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

Returning, filling in soil, including spreading, levelling, watering and well ramming in layers not exceeding 25cm in hard/dense soil complete all as specified and as directed.

Removing surplus excavated material to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and as directed.

Schedule of Credit

M/S MOHD KARIM (BID ID -3165194)

M/S HONY CAPT RIGZIN SAMPHEL (BID ID -3165228)

THINLES OTZER (BID ID -3165080)

M/S ASHRAF HUSSAIN (BID ID -3165181)

CHHIRPON BUILDERS (BID ID -3165309)

M/S MA CONSTRUCTION Co (BID ID -3165272)