REPAIR TO DRAIN, SEWAGE LINE AND CLEANING OF SEWER LINES AT INS DRONACHARYA AND MES COLONY AT FORT KOCHI

Amount

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

Material and labour for precast cement concrete (1:2:4) type B-1 using 20 mm graded stone aggregate as in landings, shelves, cover slabs (manholes etc) and similar articls with plain faces, set in cement morat 1:4 with and including necessary form work complete all as specified & directed by Engineer-in-charge. Note : Reinforcement will be measured and paid separately.

Material and labour for mild steel TMT bars 10mm dia & over cut to length, bend 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 0.9mm dia or securing with clips complete all as specified & directed by Engineer-in-Charge.

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

Material and labour for cement concrete 1:3:6 type C-2 using 40 mm graded stone aggregate as in surface channels and drains etc like including necessary forms/ moulds complete all as specified & directed by Engineer-in-charge.

Extra for 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 & directed by Engineer-in-charge.

Demolition of brick work, stone/ boulder masonry and built in cement mortar including all quoins arches, pillars etc but excluding ashlar facings, dressed stone work and precast concrete articles all as specified & directed by Engineer-in-charge.

Material and labour for pre-cast cement concrete block masonry with solid blocks, type C1(1:3:6) using 20mm graded aggregate, exc. 10 cm in width and setting in mortar 1:6, complete all as specified and as directed.

Material and labour for brick work with sub class ‘B’ bricks straight or curved on plan exc 6 metre mean radius built in cement mortar 1:4 complete all as specified & directed.

-Ditto- all as per Item No 9 here-in-before but except bricks

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, complete all as specified and 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 procured by the contractor for cleaning purpose.

M&L 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 coverred conveyance and dispossed off outside MoD land complete all as directed. Notes :- (i) Volume of intercepting chamber will be worked out based on the depth or actual depth of sludge whichever is less. (ii) Water shall be procured by the contractor for cleaning purpose

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 100 mm bore pipe, all as specified and directed.

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

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

"-Ditto- all as per Item No 16 here-in-before but 75 mm dia

Opening manholes of any size, remove night soil and sedments including liquid mechanically, cleaning internal surface with water taken away night soil & sediments from the respective vicinities on covered conveyance and disposed off outside MoD Land 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 procured by the contractor for cleaning purpose

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

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

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

Supply only Liquid waterproofing compound, all as specified.

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 upto 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 PVC (SWR) bends 110 mm dia of any radius with access door including leak proof the mouth complete all as specified and as directed.

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 (SWR) vent cowl 110 mm dia all as specified

S&F PVC (SWR) vent cowl 75 mm dia all as specified

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

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

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

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

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