DRW 2023-24 MWSS to Malappuram MunicipalityMalappuram Village Desilting and Cleaning of Collection well and Intake well at Nambrani and Repairing and Modification of Temporary Bund across Kadalundy River near Santhitheeram Park at down stream of RW

Amount

Appendix A - Desilting and cleaning of Intake well at Nambrani

100.54.4.7:Desilting open wells of dia above 6.0m and up to 9.0m and depth up to 13.5m by earth work excavation in or under water, after closing the inlet valves and plugging any holes in the steining by engaging divers with breathing accessories, bailing out water using pump set of suitable capacity, lifting the excavated silt/mud/clay using ropes, pulleys and buckets and disposing the same within minimum lead of 50 m from the periphery of the well, including engaging coolies for scrapping the inner side of the well, without causing any damages to the existing structures and installations, including hire and conveyance of tools and plant and as per the directions of the department officers etc. complete.

100.54.4.8:Desilting open wells of dia above 6.0m and up to 9.0m and depth up to 15.0m by earth work excavation in or under water, after closing the inlet valves and plugging any holes in the steining by engaging divers with breathing accessories, bailing out water using pump set of suitable capacity, lifting the excavated silt/mud/clay using ropes, pulleys and buckets and disposing the same within minimum lead of 50 m from the periphery of the well, including engaging coolies for scrapping the inner side of the well, without causing any damages to the existing structures and installations, including hire and conveyance of tools and plant and as per the directions of the department officers etc. complete.

15.2.1:Demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in-Charge.Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

7.1.1:Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) up to plinth level with:Cement mortar 1:6 (1 cement : 6 coarse sand)

Appendix B - Desilting and cleaning of collection Well at Nambrani and repair work of Infiltration gallery

100.54.3.3:Desilting open wells of dia above 3.5m and up to 6.0m and depth up to 7.5m by earth work excavation in or under water, after closing the inlet valves and plugging any holes in the steining by engaging divers with breathing accessories, bailing out water using pump set of suitable capacity, lifting the excavated silt/mud/clay using ropes, pulleys and buckets and disposing the same within minimum lead of 50 m from the periphery of the well, including engaging coolies for scrapping the inner side of the well, without causing any damages to the existing structures and installations, including hire and conveyance of tools and plant and as per the directions of the department officers etc. complete.

100.54.3.4:Desilting open wells of dia above 3.5m and up to 6.0m and depth up to 9.0m by earth work excavation in or under water, after closing the inlet valves and plugging any holes in the steining by engaging divers with breathing accessories, bailing out water using pump set of suitable capacity, lifting the excavated silt/mud/clay using ropes, pulleys and buckets and disposing the same within minimum lead of 50 m from the periphery of the well, including engaging coolies for scrapping the inner side of the well, without causing any damages to the existing structures and installations, including hire and conveyance of tools and plant and as per the directions of the department officers etc. complete.

OD160640/2024-2025:Lifting precast covering slabs over the collection well and keeping safe using tools and tackles, and refixing the slab after cleaning etc complete

OD160646/2024-2025:Cleaning gallery pipe from collection well to intake well

OD160642/2024-2025:Removing filter media from the infiltration gallery without making any damages to the laid pipes and and stacking at a safe and convenient place for segregation process and as per the directions of the department officers etc. complete.

OD160641/2024-2025:Supplying hard granite soling stone 75mm to 150mm size and stacking the same for measurement.

OD160644/2024-2025:Carriage of granite soling stones 75mm to 150mm size for stacking and laying and spreading the same to form the Infiltration Gallery with all leads and lifts etc. complete

100.55.3:Supplying of 20 to 40 mm pebble (pebbles shall be hard, clean, free from clay, dust and other impurities), stacking in standard heaps for measurement including cost, conveyance up to 5 km and labour charges for stacking, spreading, testing and as per directions of the department officers etc. complete and as per CPHEEO specification.

OD160643/2024-2025:Carriage of pebbles 20mm to 40mm size for stacking and laying and spreading the same to form the Infiltration Gallery with all leads and lifts etc. complete

OD160645/2024-2025:Supplying at site of work silted silicious gravel including stacking the same to standard heaps for measurement etc. complete.

OD160647/2024-2025:Dumping and spreading the gravel to form the filter bed of infiltration gallery 30cm thick as per instruction of the departmental Officers at site.

Construction of Temporary Bund across Kadalundy River

100.52.S.1:Sub Data for providing Earth filled cement bags including cutting of the Earth, filling, conveying and placing in position.

100.52.S.2:Sub Data for Filling with contractor's own earth (excluding rock) in the core portion of the earthen bund by consolidating each deposited layer by ramming and watering, as per direction of the departmental officers.

ABDUL RAWOOF P (BID ID -2042624)

Bidder Name

PP Abdul kareem

ABDUL RAWOOF P