Sewage And Infrastructure Development Corporation Of Goa Limited Tender

For Manhole

Dewatering of pits or ground by dewatering pumps inclusive of all consumables, diesel, oil, petrol, & lubricants etc. and disposal of water. In all types of Soil

Cured in Place Pipe (CIPP) lining using Hot water/ Steam Curing/ of resin impregneted felt: Rehabilitation of existing pipeline by CIPP Structural lining method including site survey, plugging and flow diversion, cleaning, pre lining CCTV, Repair of defects, pre lining measurement, designing, site preparatory work, installation of resin impregnated liner, curing of liner using hot water/ steam recirculation , post lining CCTV and measurement, rehabilitation of manholes, testing and commissioning and restoration of roads and surfaces all inclusive as per lndSTT : 201-2018; Code of Practice for Cured in Place Pipe Technique Suiting Indian Condition. 450-500mm dia

Opening jammed manhole covers covered with asphalt due to constant plying of heavy vehicles to facilitate releasing of house Sewer connection,cleaning o manholes or sewer line as and when required as directed by Engineer-incharges.

Rehabilitation & Grouting of old Manhole. I) Drilling of 12 to 14mm dia holes in the concrete wall 150mm C C & 100mm deep in the walls and the junction. II) Injecting with low Viscosity. Injection Rasco Flex 110X EN/RascoFlex 110EX& Will Stop 1C is a slow-hardening, rigid, two-component injection resin based on polyurethane/ for water proofing and stabilization of water bearing structures. in to the packers from out side the pool junction to seal the cavities with grouting and mechanical plugging. III) Open the joints on the junctions of the walls, remove all loose particales clean it with water for any dust etc, apply High performance, Hydrophobic, waterproof, Non-Sag, Cohesive, WaterRetentive, breathable,Drying Cementitious Premixed plaster SS-HydroNil PM & SS Quick stop super in to the joints with line and level. IV) Repointing the masonry and applying a 5mm thick lining of a Mineral Based, Waterproof, Surface Protection System for Sewage Lines and Manholes, Stormwater, Potable Water, Dams and Marine Infrastructures such as Tri-Sewcoat. Tri-Sewcoat is a two_x005f_x005f_x005f_x005f_x005f_x0002_component, waterproof and protective coating / lining mortar system consisting of a mineral based powder, Tri-Sewcoat and a Liquid Additive, Tri-Bond SBI. The combined system forms a lining that is resistant to aggressive environments and can withstand extreme pH, chloride, and sulphate / chloride loading (e.g., seawater) and Biogenic Sulphuric Acid Concrete Corrosion (H2S Attack)

Supplying of heavy duty solid type circular type manhole cover and frame for use under heavy traffic conditions as per IS:1726 Part V-1974 having size -

600mm dia with weight not less than 250kg

Providing and fixing C.I. foot rest having minimum weight 5.3 kgs in manhole with 20x20x10cm cement concrete blocks 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size) as per standard design.

Construction of Composite type Manholes of various diameters and Scraper Manholes of depth , as per the detailed specification of items of work annexed with

4.50 to 5.00 mts

5.00 to 5.50 mts

Corridor survey of the running sewer pipeline without requirement for desilting or Rokka, determine sewer alignment including location of MH/chamber, tracing of pipeline, locating and uncovering of hidden/buried manholes (max up to 1.5 feet depth) proximity of structure/landmark, measurement of exact length centre to centre of consecutive manholes, taking ground levels, invert levels (after online manhole inspection) and submission of A0 size map of the sewer route indicating GIS coordinates f all located manholes in total 7 sets of hard copies and 3 sets of DVDs

supplying of laterite stone soling of size 150-200 mm and murum having P.I value not more than 6 and laying including packing with smaller stones and consolidation with power road roller including spreading, watering & consolidation of binding material etc (measurements shall be considered on finished item)

Providing and laying 50mm(consolidated thickness)full grout using granitic or basaltic stone of specified grading at 6.00 cu.m per 100 sq m grouting with hot bitumen straight run bitumenfor with such bituminous material of grade and type as specified by the Engineer-in-charge at 5.0 kg per sq.m binding with key aggregate of granitic or basaltic stone of specified grading at 1.5 cu.m per 100 sq.m including providing and laying seal coat sealing the voids in a bituminious surface laid with F.E loader with 1 cu.m bucket capacity to the specified levels,grade and cross fall using type A seal coat with 0.98 kg/sqm of bitumen of grade as per MoRT&H specifications clause 513