81005Repairs to sewage line and area drainage at INS Dronacharya and MES Colony at FortKochi

Amount

Demolition of cement concrete in any position not other wise specifically provided for complete all as specified and as directed.

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

Demolition of brick masonary or cement block masonery built in cement mortar complete all as specified and as directed.

Taking down cement plaster of any description from brick or stone walls etc incl racking out joint hacking for key scrubbing down with water etc all as specified and directed.

Excavating in trenches not exc 1.50 m wide and not exc 1.50 m in depth and getting out in soft/loose soil, complete all as specified and as directed.

Returning , filling in, incl spreading leveling, watering and well ramming in layer n exc 25 cm complete all as specified and as directed.

Removing excavated materials and depositing where directed at a distance n.exc 50mtr at a level n exc 1.5 mtr above the starting point complete all as specified and as directed.

M & L for Precast cement concrete Cover slabs type B-1, 1:2:4 using 20 mm graded stone aggregate set in CM1:4 as in slabs of drains including necessary form works complete all as specified and directed. Note:- Reinforcement shall be measured and paid separately

M&L for plain cement concrete 1:3:6 type C2 using 40mm graded stone aggregate as in surface channels and drains complete all as specified and as directed. Note:- While arriving volume of concrete deduction shall be made for channel opening.

M&L for brick work with sub class 'B' bricks, straight or curved on plan exc 6 mtr mean radius built in cement mortar 1:4 complete all as specified and as directed.

All as per item Ser No 10 above but except bricks

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

S&F mild steel TMT bars 10mm dia and over cut to length, bend to shape required including cranking, bending spirally or hooping for column, hooking ends and binding with mild steel wire annealed not less than 0.9mm dia complete all as specified and directed.

M & L for PCC 1:3:6 type C2, using 40 mm graded stone aggregate, as in bed to drain pipes of 110 mm bore, including packing under and haunching against sides of pipes after they are laid and tested, complete all as specified and as directed.

S&F in repairs PVC (SWR) , type 'B' pipes 110 mm single socketed, in any length with solvent cement joints fixed to walls incl pvc stack clamps complete all as specified.

S&F in repairs PVC (SWR) type 'B' pipes 75 mm single socketed, in any length with solvent cement joints fixed to walls incl pvc stack clamps complete all as specified.

S&F PVC (SWR) type 'B' pipes 110 mm bore single socketed, in any length with rubber ring joints, laid in trenches or in floors complete all as specified and directed.

S&F PVC (SWR) bends 110 mm dia of any radius with access door including leak proof the mouth complete all as specified

S&F PVC (SWR) bends 75 mm dia of any radius with access door including leak proof the mouth complete all as specified

S&F PVC vent cowl 110 mm dia complete all as specified

S&F PVC vent cowl 75 mm dia complete all as specified

M&L for rendering 15mm thick in cm 1:4 in two coats , and making surfaces even and smooth without using extra cement complete all as specified and directed.

M&L for rendering 10mm thick on fair faces of brick work in cm 1:4 in as backing coat and 5mm thick in CM 1:4 mixed water proofing compound as floating coat , finishing the surfaces even and smooth without using extra cement complete all as specified and directed. Note:- Supply only WPC shall be measured and paid separately

Supply only Liquid waterproofing compound

Extra for forming fair finished drain 30 cm inner girth in cement concrete using extra cement including forms, moulds, mitred/stopped ends etc complete all as specified and directed. Note:- Inner grith only measured.

Add to item no.25 for each 25mm girth or part there of over 30cm

M & L for cutting into existing man holes for connecting new drains, making good to pipe and rendering, cutting out existing benching for and forming branch channel in cement concrete 1:2:4 type B1 using 20 mm graded stone aggregate, smooth finished and reforming benching as required complete for 110 mm bore pipe, complete all as specified and directed.

M &L for Opening manhole of septic tank remove night soil and sediments including liquid by mechanical pumping into tanker lorry having cleaning internal surface with water and re-fix the manhole covers, taken away night soil & sediments from the respective vicinities on covered conveyance and disposed off outside MD land without any nuisance / hazard to the users and public complete all as directed. complete all as specified and directed. Notes :- (i) Volume of the septic tank will be worked out based on the depth or actual depth of sludge, whichever is less. (ii) Water shall be provided by the contractor on his own cost for cleaning purpose.

M&L for opening intercepting chambers of size 1.50 x 1.00 mtrs, remove night soil and sediments including liquid by mechanical pumping into tanker lorry, cleaning internal surface with water and taken away night soil & sediments from the respective vicinities on covered conveyance and disposed off outside MD land without any nuisance / hazard to the users and public complete all as directed. Notes :- (i) Volume of the intercepting chamber will be worked out based on the depth or actual depth of sludge, whichever is less. (ii) Water shall be provided by the contractor on his own cost for cleaning purpose.

Opening manholes of any size, remove night soil and sediments including liquid mechanically, cleaning internal surface with water taken away night soil & sediments from the respective vicinities on covered conveyance and disposed off outside MD Land without any nuisance / hazard to the users and public complete all as directed. Notes :- (i) Volume of the manhole will be worked out based on the depth or actual depth of sludge, whichever is less. (ii) Water shall be provided by the contractor on his own cost for cleaning purpose.

Cleaning the existing covered drains (after removing the RCC covers) of width exceeding 250 mm and not exceeding 500 mm by clearing all rubbish silt and vegetation (Average depth 150 mm)removing and depositing the debris to a distance not exceeding 150m and refixing the covers to its original position complete all as specified and directed

Cleaning the existing open drains of width exceeding 250 mm and not exceeding 500 mm by clearing all rubbish silt and vegetation (Average depth 150 mm)removing and depositing the debris to a distance not exceeding 150m complete all as specified and directed

Cleaning (mechanically)of sewage line/effluent drains 150/110 mm dia and disposing off the sludge outside MoD land complete all as directed.

Removing the chokes in drains of WC/bath room/kitchen up to 1st manhole including cleaning of gully traps in single storey/ground floor of multi storeyed buildings, all as specified and directed.

Removing chokes in drains of WC/bath room/kitchen other than ground floor all as specified and directed.

Destruction of growth of weed plants with roots level on wall/ roof of building any height with weedicides such as 'Round up' manufactured by Excel Chemical Industries and sprayed in and around roots and the place of possible growth of weeds as per manufacturers instructions and making good the surfaces complete all as specified and as directed. Notes :- (i) In case of plants that has tree like growth, the plants shall be cut very near the roof/wall and rest treated with chemical solution. (ii) Area after treatment shall be cleared of all debris, branches, dead plants etc.

S & F hume pipe septic tank for 25 users with AC vent pipes ,including necessary excavation in any type of soil PCC 1:3:6,type C-1 bed ,returning filling, removal of surplus soil to a distance n.exc 50m,complete all as specified and directed.

S & F hume pipe septic tank for 50 users with AC vent pipes ,including necessary excavation in any type of soil PCC 1:3:6,type C-1 bed ,returning filling, removal of surplus soil to a distance n.exc 50m,complete all as specified and directed.

ADITHYA ENTERPRISES

M/S Babil Industries

PS James

R.K. Builders

General Engineering and Constructions

K R JOSEPH AND SONS