8794/E8 REPAIR/CLEANING OF SEWAGE LINES, MANHOLES, SEPTIC TANKS, OVER HEAD TANK, UG SUMPS AND ATTENDING THE DAILY COMPLAINTS OF BLOCKAGE OF SEWAGE LINES, GULLY TRAPS, MANHOLES ETC AT NAD SUNABEDA ODISHA

Amount

Cleaning of septic tank completely by emptying liquid, semi solid, solid foul contents including cleaning of inlets, outlets and getting out mechanically by means of suction pumps and filling the foul material into the covered tank attached to suction pump including sludge/sludge water disposal of at authorized dumping site declared by local administration outside MD land andall as directed by Engineer-in-Charge for the following septic tanks:-

25 Users capacity (2.05mx0.80mx1.20m)

50 Users capacity (3.65mx1.35mx1.80m)

200 Users capacity (4.95mx2.00mx1.80m)

Removing carefully the cover slabs of manholes of any size and shape and removing the scum/sludge including any organic or inorganic matters and disposing the same to a distance exc 250m and n.exc 500m where directed and setting the old manhole cover in position in (CM 1:6) after inspection by Engr-in-Charge and as directed for the following manholes :-

Not exceeding 1 m depth of any size.

Exceeding 1 m depth but not exceeding 2 m depth of any size

Cleaning carefully the blockage in CI or SWG pipe of the following sizes in between man holes and passing rubber ball through line to ensure removal of all blockage perfectly clear complete all as directed by Engineer-in-charge for the following dia pipes:-

100mm dia pipe

150mm dia pipe

M & L for removing the plant from walls & roof of the building with complete roots, applying recommended chemicals to prevent further growth as directed, making good the disturbed surface with CM (1:3) and applying surface finishs to match with the existing surface including removal of debris etc outside the premises complete all as directed by Engineer-in-Charge.

M&L cleaning of the service tanks of following capacity installed on roofs and 2nd, or 3rd, or 4th stories of building at various places by emptying the tanks, by removing the scale and all other all other foreign materials deposited on side wall and bottom of the tanks by scraping and brushing with wire brush and cleaning with bleaching powder slurry and allowed to dry and washing and cleaning the tank with fresh water including refixing the top cover of tank properly after cleaning and writing letters such as details of the tanks like date of cleaning, capacity of tank with synthetic enamel paint with letter size 10cm heigh in block colour complete all as directed by Engr-in-Charge for the following capacity service tanks:-.

Upto 500 ltrs

Above 500 ltrs and upto 1000 ltrs

M&L Providing pre-cast reinforced cement concrete type B-1, 1:2:4 using (20 mm graded aggregate) as in man hole covers set in cement mortar 1:4, including necessary formwork and demolition of old slabs, complete all as specified. Note: Reinforcement shall be measured and paid separately.

M&L for Mild Steel TMT bars upto and including 10mm dia, 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 0.9 mm dia or securing with clips complete all as specified.

All as per item No 7 above but 6 to 8mm dia bars.

Demolition and breaking up of drain pipes of 150 mm dia (Salt glazed ware, AC or RCC) set in cement motar complete all as directed by Engr-in-Charge

All as per item No.9 above but 200mm dia.

Excavation in trench n exc 1.5m wide and n exc 1.5 m in depth and getting out in hard/ dense soil for foundations, etc complete all as specified.

M&L concrete bed to drain pipe including packing under and haunching against sides of pipes after they are laid and tested in PCC (1:3:6), type C-2, using 40mm graded stone aggregate for 150mm dia pipes all as specified.

All as per item No.12 above but 200mm dia.

M&L for Salt Glazed Stone Ware drain pipe, grade ‘A’ 100 mm bore laid in trenches and jointed in cement mortar (1:1) complete all as specified and as directed by Engineer-in-charge.(Excavation and earth work shall be measured and paid separately).

All as per item No.14 above but 200mm dia.

Returning, filling in, includingn spreading, levelling, watering and well ramming in layers n.exc 25cm thick in soils all as specified.

Removal of excavated material n exc 50m and depositing where directed at a level n exc 1.50m above the starting point all as specified.

Taking down eaves SWR or rainwater pipes (any size or pattern), including all fittings, heads, shoes, bends, swan-necks, etc., including cleaning or refixing or removal to Store (measured overall as fixed along the centre line over fittings and acessories) complete all specified and as directed.

Supply and Fixing in repairs 75mm bore PVC (SWR) pipes for rain water pipes single socketed in any length with rubber ring joints fixed to walls including neccesay clamp brackets complete all as specified and as directed.

Supply and Fixing in repairs 110mm bore PVC (SWR) pipes for rain water pipes single socketed in any length with rubber ring joints fixed to walls including neccesay clamp brackets complete all as specified and as directed.

Supply and fixing 110mm bore PVC (SWR) junction single (Single "T") equal or unequal with access door complete all as specified and as directed.

Supply and fixing 110mm bore PVC (SWR) bends of any radius complete all as specified and as directed.

Supply and fixing 75mm bore PVC (SWR) junction single (Single "T") equal or unequal with access door complete all as specified and as directed.

Supply and fixing 75mm bore PVC (SWR) bends of any radius complete all as specified and as directed.

S & F PVC (SWR) vent cowl of 75mm bore complete all as directed by Engineer-In-Charge.

S & F PVC (SWR) vent cowl of 110mm bore complete all as directed by Engineer-In-Charge.

M/s Jai Sree Hari