Cleaning of septic tanks, soakage wells, sewage line, static water tank and repair to sewage line and manholes at AF Stn Nal under GE (AF) Nal.

Amount

Demolition of cement concrete (un-reinforced) in floor & paving n.exc 15 cm thick (below or above ground level), complete all as specified and directed.

M&L cement concrete 1:4:8 type D-2 using 40 mm graded stone aggregate as in mass concrete / fillings / foundation etc complete all as specified and as directed.

Demolition of brick work built in cement mortar of any description including all quoins, arches, pillars, etc,, in any position complete all as specified and directed.

Excavation in soft / loose soil in trenches not exceeding 1.5 metre wide / manholes area n exc 10sqm on plan and depth not exceeding 1.5 metre and getting out complete all as specified and directed.

Excavating over areas, n.exc 1.5 m deep and getting out in hard / dense soil complete all as specified and directed.

All as per description of item No. 5.00 here in before but depth exc 1.50 m and n exc 3.00 m

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

Removing excavated material to a distance exc. 50 metre but not exceeding 100 metre and depositing where directed at a level not exceeding 1.5 Metre above starting point, complete all as specified and directed.

M&L Cutting into existing manhole for connecting into new drain, making good to pipe and rendering, cutting out existing benching for and forming branch channel (1/2 round or ¾ section), in cement concrete 1:2:4, type B-1, using 20mm graded stone aggregate, smooth finished and reforming benching as required for 150 mm bore SGSW / RCC pipe, complete all as specified and directed.

Dismantling of 150mm bore SGSW or reinforced concrete drain pipes, jointed in cement mortar and taking out of trenches complete all as specified and directed.

Supply and laying 150mm dia Salt glazed stoneware drain pipes laid in trenches and jointed with cement mortar 1:1 and spun yarn soaked in neat cement slurry complete all as specified and directed.

M&L Concrete bed in cement concrete 1:4:8 type D-2 using 40 mm graded stone aggregate to drain pipe 150mm bore including packing under and haunching against the sides of pipes after they are laid and tested, complete all as specified and directed.

Supply, laying and jointing reinforced concrete pipes, class NP-2 with collars, 150mm Internal dia, in trenches and jointed with cement mortar 1:2 and spun yarn soaked in neat cement slurry and tested including all necessary extra joints, waste, and cutting etc. complete all as specified and directed. Note : Excavation and earthwork shall be measured and paid for separately

M&L Brick work with sub class ‘B’ bricks old size, straight or curved on plan exceeding 6 Metre mean radius built in cement mortar 1:4 complete all as specified and directed.

M&L PCC 1:2:4 type B-1 using 20 mm graded stone aggregate including necessary from work as in coping, benching of manhole, slightly rounded or chamfered, complete all as specified and directed.

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

M&L cement concrete 1:3:6 , type C-2 using 40 mm graded stone aggregate as in surface channel and drains, complete all as specified and directed.

M&L Extra forming fair finished drain or channel 30 cm inner girth in cement concrete, using extra cement, including forms, moulds, mitred/ stopped ends etc, complete all as specified and directed.

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

M&L reinforced cement concrete 1:2:4 type B-1, nominal mix (using 20mm stone aggregate) as in slabs, suported on walls in septic tanks and soak well etc complete all as specified and directed.

Use & waste of formwork to soffits of suspended slabs such as roof slabs, floor slabs, landings and similar work not exc 200 mm thick horizontal or sloping complete all as specified and directed.

Use & waste of Formwork to edges of concrete flats, treads,slabs, floor and roofs and sides of RCC/ PCC bands in walls, horizontal or sloping and similar work exc 10cm but n exc 20cm wide, complete all as specified and directed.

Material & labour mild steel TMT bar 6 to 8 mm dia and cut to length bent to shape as required including cranking, bending etc and binding with and including MS wire annealed, not less than 0.9 mm dia, complete all as specified and directed.

All as per item No 23.00 here-in-before but 10 mm dia bars and over.

M&L Precast reinforced cement concrete 1:2:4 type B-1 using 20 mm graded stone aggregate as in manhole covers, set in cement mortar 1:4 including necessary form work, complete all as specified and directed. Note: Reinfocement shall be measured and paid seperately under respective item of this Schedule.

Desilting of Septic tank etc by removing all scum, silt (both organic and inorganic nature) by mechanical / electrically power driven scraper and disposal to outside MOD land and buried in trenches etc, in foul condition for any depth complete all as specified and directed. Note :- Net contents of sludge shall be measured at the time of removal and paid. Quoted rate of tenderer shall be deemed to be inclusive of de-watering as required and nothing extra shall be admissible to the contractor on this account. (Sludge/ sludge water shall be disposed off in closed container at authorized dumping site declared by local administration outside MD land as directed.

Maintenance of sewage system SGSW / RCC pipe including Nahani / floor traps, Soil/waste pipe running on external wall of building and in trenches with fittings bends, junctions, etc. Gully traps, manholes of all description and sewage lines of all sizes upto soak well of sewage system including dewatering of soak wells complete in perfect running/flowing order without destruction by removing all blockage in the system including de-watering from soakage well by pumping out as directed as and when required including PCC/Brick drain in running condition by removing all surplus spoil in Md Accn, Tech Bldg, Other Accn at Air Force Station Nal and Pump House Bldg & Qtrs at Nal Village, complete all as specified and directed. Notes:- (i) Contractor shall deploy minimum 3 safaiwala / mazdoor solely for the maintenance of sewage system against this item. These Safaiwala / Mazdoor shall not be deployed for any works other than the scope catered for in this item. For the work considered against other items of this Schedule. The contractor shall deploy separate sfafiwala / mazdoor in addition to the safaiwala /mazdoor deployed against this item. (ii) Sludge slurry / sludge water shall be disposed off in closed container at authorized dumping site declared by local administration outside MD land. (iii). Solid waste / sludge / silt deposited in the manholes which can not be removed by rodding, shall be ordered under respective item of this schedule and paid accordingly. (iv). All the sewage lines and manholes shall be cleaned only by mechanical / electrically motor driven sewage cleaning rod with nozzle having sufficient hydro jet pressure. 4. In case the contractor fails to produce the Mechanical / electrically motor driven T&P as mentioned above, recovery @ Rs. 1000/- per day shall be made from the contractor.

Desilting of manhole complete by removing all scum, sludge, silt (both organic and inorganic nature) by manual labour or mechanical scraper and disposal of the same and buried in trenches etc, as in foul condition for any depth complete all as specified. Note:- Sludge, scum, silt (both organic and inorganic nature) water shall be disposed off in closed container at authorized dumping site declared by local administration outside MD land.

Dewatering of existing SWT of any capacity and cleaning of all organic and inorganic material scale dirt, mud/caked earth silt and cleaning the bottom and sides and applying two coats of white wash and writing the date of cleaning on SWT wall complete all as specified and directed

Cleaning of site by cutting the bushes not exc 10cm girth and removing off unserviceable material to a distance not exc 50 m and complete all as specified and directed.

S&F as in repairs 110mm bore PVC (SWR) waste and vent pipes in any length with rubber ring joints fixed to wall complete all as specified and directed.

S&F as in repairs 75mm bore PVC (SWR) waste and vent pipes in any length with rubber ring joints with laid in trenches, wall or in floors complete all as specified and directed.

S&F PVC (SWR) bend 110mm bore, complete all as specified and directed.

S&F PVC (SWR) bend 75mm bore, complete all as specified and directed.

S&F PVC (SWR) reducer 110mm bore, complete all as specified and directed.

S&F PVC (SWR) junction single (single Tee) equal or unequal 110mm dia complete all as specified and directed.

S&F PVC (SWR) junction single (single Tee) equal or unequal 75mm bore complete all as specified and directed.

S&F PVC (SWR) vent cowl 110mm dia complete all as specified and directed.

S&F PVC (SWR) vent cowl 75mm dia complete all as specified and directed.

M/S BUDHRAM BISHNOI

Jetharam Ramchander