Running Maintenance Contract - Observatory -FY 2023- 24 First half- Urgent Rectification works to water supply and Sanitary arrangements and other petty repairs to Observatory Govt. Quarters Thiruvananthapuram First half of FY 2023- 24.

Amount

Civil Works

14.75A:Cleaning of terrace/loft water storage tank (inside surface area) upto 2000 litre capacity at all heights with coconut brushes, duster etc., removal of silt, rubbish from the tank and cleaning the tank with fresh water disinfecting with bleaching powder @ 0.5gm per litre capacity of tank including marking the date of cleaning on the side of tank body with the help of stencil and paint and disposing of malba all complete as per direction of Engineer-in-Charge. (The old date already written on tank should be removed with paint remover or black paint and if date is not written with the stencil or old date is not removed deduction will be made @ Rs. 0.10 per litre) (if during cleaning any GI fittings or ball cock is damaged that is to be repaired by contractor at his own cost and nothing extra will be paid on this account)

18.18.2:Providing and fixing ball valve (brass) of approved quality, High or low pressure, with plastic floats complete:20 mm nominal bore

OD264668/2022-2023:Cleaning the fully blocked sewer lines with scavenger rod etc

OD264670/2022-2023:Clearing filled up manhole of size 60x60cm upto 120cm depth ec

OD264673/2022-2023:Cleaning the silt pit upto 50cm depth etc. complete

OD264676/2022-2023:Clearing the filled up septic tank including disposal of night soil after removing the RCC cover slab etc

18.49.1:Providing and fixing C.P brass bib cock of approved quality conforming to IS: 8931.15 mm nominal bore

18.51.1:Providing and fixing C.P. brass long body bib cock of approved quality conforming to IS standards and weighing not less than 690 gms.15 mm nominal bore

18.53.1:Providing and fixing C.P. brass angle valve for basin mixer and geyser points of approved quality conforming to IS: 893115 mm nominal bore

18.56.1:Providing and fixing PTMT pillar cock of approved quality and colour.15 mm nominal bore, 107 mm long, weighing not less than 110 gms

17.28.1.1:Providing and fixing P.V.C. waste pipe for sink or wash basin including PVC. waste fittings complete. Semi rigid pipe32 mm dia

17.18.1:Providing and fixing P.V.C. low level flushing cistern with manually controlled device (handle lever) conforming to IS: 7231, with all fittings and fixtures complete.10 litre capacity - White

17.7.4:Providing and fixing wash basin with C.I. brackets, 15 mm C.P. brass pillar taps, 32 mm C.P. brass waste of standard pattern, including painting of fittings and brackets, cutting and making good the walls wherever require:White Vitreous China Flat back wash basin size 550x 400 mm with single 15 mm C.P. brass pillar tap

18.17.1:Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) :25 mm nominal bore

18.17.2:Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) :32 mm nominal bore

17.13.2:Providing and fixing white vitreous china water closet squatting pan ( Indian type):Orissa pattern W.C. pan of size 580x440 mm

17.20.1:Providing and fixing solid plastic Seat with lid for pedestal type W.C. pan complete:White solid plastic seat with lid

50.2.33.5:Cutting branches of trees overhanging above any structures of girth between 40cm to 60cm including stacking of serviceable materials and disposal of unserviceable material, cost of labour, hire charges of rope and pully etc without making any damages to nearby structures etc complete.

50.18.9.2.2:Providing and fixing PVC pipes includings of pipes with one step PVC solvent cement, trenching, refilling & testing of joints complete as per direction of Engineer in Charge. 20 mm dia 10 Kgf/cm2

50.18.9.7.2:Providing and fixing PVC pipes includings jointing of pipes with one step PVC solvent cement, trenching, refilling & testing of joints complete as per direction of Engineer in Charge.63 mm dia 4 Kgf/cm2

50.18.9.9.2:Providing and fixing PVC pipes includes joints of pipes with one step PVC solvent cement, trenching, refilling & testing of joints complete as per direction of Engineer in CHarge. 110 mm dia 4 Kg/cm2

2.31:Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth up to 30 cm measured at a height of 1 m above ground level and removal of rubbish up to a distance of 50 m outside the periphery of the area cleared

5.1.3:Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level:1:2:4 ( 1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)

OD264785/2022-2023:Supplying and providing water tank lid cover for replacing damaged one as directed by departmental officers at site

OD264786/2022-2023:Supplying MP hip and ridge tiles including all conveyance etc complete

OD264787/2022-2023:Removing and readjusting with MP hip and ridge tiles of departmental or supplied tiles set in lime mortar etc complete

OD264788/2022-2023:Supplying manglore roofing tiles including all conveyance etc

OD264789/2022-2023:Removing and re- adjusting with M.P roofing tiles of departmental or supplied tiles etc.

50.14.1.1:Removing and refixing door shutters after necessary repairs for easy opening and closing etc complete as per the direction of site Engineer-in-charge.

50.14.1.2:Removing and refixing window shutters after necessary repairs for easy opening and closing etc complete as per the direction of site Engineer-in-charge

18.48:Providing and placing on terrace (at all floor levels) polyethylene water storage tank :ISI 12701 marked, with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank.

OD264823/2022-2023:Engaging Carpenter

OD264824/2022-2023:Engaging Coolie

OD264825/2022-2023:Engaging fitter

OD272240/2022-2023:Disposal of building rubbish/melba/similar serviceable dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer- in - Charge, beyond 50m initial lead,for all leads including all lifts involved

SREEKUMAR R

Bidder Name

RAJESHKIRAN S P

SREEKUMAR R