Repair / Renewal and cleaning of blockages in sewage lines, soil waste and sanitary pipes, manholes, septic tanks in high rise and other buildings at CGRA Meenambakkam(Thalkancherry) and ICGAS Chennai Under GE (I) (CG) Chennai.

Amount

Comprehensive maintenance of sewage system consisting of sewage line,manholes of various sizes and depth.cleaning and removal of blockages of floortrap,Nahani/ trap and gully trapetc.., water closet of various sizes in buildings including removal of blockage/clogging in sewage lines of entire sewage system of (CGRA Meenambakkam (Thalkancherry)) area by cleaning of sewage drains of dia exc 100mm and not exc 300mm dia including blocked manholes by rodding from manholes and well flushing after cleaning and removal of blocked/decomposed sludge/dirt and other materials to a place exc 50m and n.exc.500m and burning the same including removing and refixing manhole covers without damaging complete as and when required basis complete all as specified and as directed by Engineer-in-charge Note:- (i)The unit rate quoted by the tenderer shall be inclusive of employing sufficient number of person /T&P for attending day to day maintenance of sewage lines and other items mentioned accordingly the unit rate shall be arrived at. No extra cost what so ever shall be admissible on this account. However it is expected to employ minimum one safaiwala and one helper on daily basis for the above item ( for CGRA Meenambakkam(Thalkancherry) area) irrespective of complaints. For every group of areas a register shall be maintained to show the date and time of complaints and date and time of rectification duly signed by a rep of users of the unit concerned and countersigned by JE/AGE. Failure to rectify and blokage/ complaints in 05 hours from the time of intimation , a penalty of Rs 1000/- per complaint shall be imposed and effected from the payment due to the contractor. (ii) The rate quoted by the contractor shall be deemed to include for Maintenance of entire sewage system in functional condition at CGRA Meenambakkam(Thalkancherry)

Comprehensive maintenance of sewage system consisting of sewage line,manholes of various sizes and depth.cleaning and removal of blockages of floortrap,Nahani/ trap and gully trapetc.., water closet of various sizes in buildings including removal of blockage/clogging in sewage lines of entire sewage system of (ICGAS Chennai) area by cleaning of sewage drains of dia exc 100mm and not exc 300mm dia including blocked manholes by rodding from manholes and well flushing after cleaning and removal of blocked/decomposed sludge/dirt and other materials to a place exc 50m and n.exc.500m and burning the same including removing and refixing manhole covers without damaging complete as and when required basis complete all as specified and as directed by Engineer-in-charge Note:- (i)The unit rate quoted by the tenderer shall be inclusive of employing sufficient number of person /T&P for attending day to day maintenance of sewage lines and other items mentioned accordingly the unit rate shall be arrived at. No extra cost what so ever shall be admissible on this account. However it is expected to employ minimum one safaiwala and one helper on daily basis for the above item ( for ICGAS Chennai ) irrespective of complaints. For every group of areas a register shall be maintained to show the date and time of complaints and date and time of rectification duly signed by a rep of users of the unit concerned and countersigned by JE/AGE. Failure to rectify and blokage/ complaints in 05 hours from the time of intimation , a penalty of Rs 1000/- per complaint shall be imposed and effected from the payment due to the contractor. (ii) The rate quoted by the contractor shall be deemed to include for Maintenance of entire sewage system in functional condition at ICGAS Chennai

Cleaning of septic tank including removal of sludge/waste water outside MD land and washing with water etc including applying disinfectant etc of various capacity of tanks complete all as specified and directed. .

Demolition and breaking up drain pipes set in cement mortar (salt glazed stoneware/asbestos cement/reinforced) including bed concrete and removal of debris to low lying area to a distance not exceeding 100m, of the following sizes complete :

(a) 100mm bore

(b) 150mm bore.

(c ) 200mm bore.

M & L for salf glazed stoneware drain pipes of Grade 'A', of the following sizes laid in trenches and jointed as specified.

(a) 100mm bore

(b) 150mm bore.

(c ) 200mm bore.

M&L300 mm bore RCC pipes class NP2 laid and jointed and complete with collars complete all as specified and as directed.

M & L for cement concrete bed type C2 (1:3:6, using 40mm graded stone aggregate) to drain pipes including packing under and haunching against the sides of pipes after they are laid and fitted in cement concrete of the following sizes:-

(a) 100mm bore

(b) 150mm bore.

(c ) 200mm bore.

Cutting Salt glazed stone ware drain pipe in position including jointing socket end of new pipe to same with packed spun yarn and cement mortar (1:1) complete all as specified and as directed.

(a) 100mm bore

(b) 150mm bore.

(c ) 200mm bore.

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

ditto all as per above item but 150 mm dia

ditto all as per above item but 200 mm dia

Removing plants /herbs grown on duct /wall portion, SWR pipes joint area for multistoried buildings at any storeyed. Cleaning with steel brush and rubbish down all dirt, mud and shabby materials from the SWR pipe joints & duct / wall portion complete and applied neat cement slurry/cement mortar on the leakages of SWR pipe joints /vertical stacks and applying one coats of cement based paints on duct wall portion all as specified and as directed by Engr-in-charge

Removing plants / herbs grown on walls/junctions with roots using herbicide chemical and of existing brick and concerte in high raised building at any storeyed.

Taking up and set aside the drain cover slabs and refixing the same with cement mortar 1:6, after cleaning the drain complete all as specified and as directed. (cleaning of drains shall be measured and paid separately)

Cleaning of open/Closed/storm water drain and removing all debris from the drain off the premises all as specified and as directed

Demolition of Brick work or stone /boulders masonary , built in cement mortar or cement lime mortar including all quoions,arches,pillars etc, but excluding ashlar facings dressed stone work and precast concrete articles

M & L cement concrete in 1 : 4 : 8mix type D2 using (40 mm graded stone aggregate) as in foundatione etc complete all as specified and directed.

M & L for brick work with Fly aash bricks straight or curved on plan exceeding 6m mean radius built in cement mortar (1:6).

Rendering on fair faces of Brick surfaces or surface other than fair face of brick work or one side of lathing, 15 mm thick, in CM 1:4 finished even and smooth with using extra cement.

Supply only Water proofing compound

M&L rendering 15mm thick in CM(1:4)on stone masonary surfaces or surface other tan fair faces of brick work or on one side of lathing complete all as specified and directed.

M&L PCC(1:2:4) mix type B1 ( using 20mm graded aggregate) as in n surface channels and drains.

Extra for forming fair finished drain or channel 30cm inner girth in cement concrete using extra cement including forms moulds mitred/Stopped ends etc.

ditto all as per above item NO:20 but add/Deduct for each 25mm girth or part thereof over or under 30 cm

M&L PCC(1:2:4) using 20mm graded aggregate as in bed block coping , or similar work and setting in cement mortar 1:6 complete with joint to match all as specified and as directed inclduing necessary form work , complete all as specified and as directed.

Demolition of cement concrete (reinforced) of any descritpion and in any position not otherwise specifically provided all as specified and as directed and depositing of the debris out of the premises.

Seperating scraping and cleaning of reinforcement(demolition of concrete measured seperately) all as specified and as directed.

M&L for precast reinforced cement concrete(1:2:4) mix type B1 using 20mm graded stone aggregate set in cement mortar (1:6)as in cover slab shelves etc complete all as specified and as dirtected.

M&L mild steel TMT bars 10mm dia and over cut to length bent to shape required inclduing cranking binding etc.., and including binding with mild steel wire (annealed) not less than 0.9mm dia all as specified and directed..

All the same as per item no:6 here in before but 6 to 8mm dia all as specified and directed.

Rough excavation not exc 1.5m deep and getting out in soft /loose soil all as specified and as directed.

Returning, filling in, including spreading, leveling, watering and well ramming in layers not exc 25 cm in soil etc complete all as specified.

Removing excavated Soil n.exc 50 m distance and deposited where directed at a level n.exc 1.50 m above the starting point all as specified and as directed.

S&F Pvc grating 125mm size of PTMT dia fixed in repairs(minimum weight 100gms).

S&F Pvc grating 150mm size of PTMT dia fixed in repairs(minimum weight 100gms).

Preparing newly plasterd surfaces of walls and applying three coats of white wash.

Demolition of plain cement concrete n.exc 15cm thick as in floors and plinth protection (below and above ground level and disposing of debris off the premisses all as specified and directed.

M&L 75mm thick PCC(1:3:6) type C2 (using 40mm graded stone aggregate as plinth protection finished fair and even all as specified and directed.

S&F 75mm dia PVC (SWR) pipes single socketed in any length with rubber ring joints laid in treches or in floors

ditto all as per above item - but double socketed

S&F 110mm dia PVC (SWR) pipes single socketed in any length with rubber ring joints laid in treches or in floors

ditto all as per above item - but double socketed

S&F 75mm dia PVC (SWR) pipes single socketed in any length with rubber ring joints fixed to walls

ditto all as per above item - but double socketed

S&F 110mm dia PVC (SWR) pipes single socketed in any length with rubber ring jointsfixed to walls

ditto all as per above item - but double socketed

S&F 75mm dia PVC (SWR) bends any radiusbut provided access door

S&F 110 mm dia PVC (SWR) bends any radiusbut provided access door

S&F 75mm dia branch piece single (Single Y) equal or unequalbut provided access door

S&F 110mm dia branch piece single (Single Y) equal or unequalbut provided access door

S&F 75mm dia branch piece double (double Y) equal or unequalbut provided access door

S&F 110mm dia branch piece double (doubleY) equal or unequalbut provided access door

S&F 75mm dia Junction single (Single T) equal or unequalbut provided access door

S&F 110mm dia Junction single (Single T) equal or unequalbut provided access door

S&F 75mm dia Junction double (double T) equal or unequalbut provided access door

S&F 110mm dia Junction double (double T) equal or unequalbut provided access door

ditto all asper above item Nos:48,50,52,54,56 and 60 add to items but provided access door

ditto all asper above item Nos:49,51,53,55,57 add to items but provided access door

S&F75 mm bore PVC ( SWR ) Couplers

S&F110 mm bore PVC ( SWR ) Couplers

S&F 75mm bore PVC (SWR) Vent Cowl

S&F 110 mm bore PVC (SWR) Vent Cowl

S&F 100 mm cast Iron sanitary connection socket to fit Wc out let

S&F 110mm PVC (SWR) WC connector with lip ring

S&F 110mm PVC (SWR) WC connector with bent type

S&F 75 mm PVC (SWR) floor trap plain with grating including jointing with slovent cement

S&F 75mm PVC(SWR) multifloor trap with grating includin jointing with solvent cement

M&L for repairing the joints of CI pipes of WC/Bath/Rain water by cement mixed with WPC compound to stop the leakage complete all as specified and directed by Engineer -in- Charge

M&L for repairing the joints of WC by white cement mixed with WPC compound to stop the leakage complete all as specified and directed by Engineer -in- Charge

M&L for repairing the sides of WC/Bath by white cement mixed with WPC compound to stop the leakage complete all as specified and directed by Engineer -in- Charge

JVM Construction