Structural repairs to BPCL Jetty at JN Port

Amount

Breaking of Loose Concrete on the Bottom Surface of Beam Dismantling, removing and chipping mechanically all loose disintegrated hollow damaged concrete up to the good concrete as per the direction of Engineer-in-charge. Item rate is inclusive of charges for labour, supervision, tools, tackles, scaffolding, safety equipment and shifting of concrete debris to the designated place as per BPCL, etc., complete as per specification and as directed. Upto 75mm to 120 mm depth

Hacking and Removal of Laitance on the Concrete Surfaces of the Two Vertical Faces of Beam Hacking and removal of laitance of existing surface of concrete by using mechanical pneumatic hammer or other suitable devices as per the direction of Engineer-in-charge. Item rate is inclusive of charges for labour, supervision, tools, tackles, scaffolding, safety equipment and shifting of concrete debris to the designated place etc., complete as per specification and as directed. Up to 80 mm depth

Low Viscous Epoxy Injection Grouting as per Site conditions Providing and applying injection grouting using low viscous Epoxy Resin BASF Master Inject 1315 or equivalent as per site conditions. Item rate is inclusive of materials, drilling and fixing 6 mm dia. nozzle of length 75 mm into a 150 mm deep hole using epoxy putty and grouting by suitable grouting pump under pressure till the refusal, cutting of nozzle after the grouting and finishing with fast setting mortar, all labour, supervision, tools and tackles, scaffolding and transportation etc. , complete as per specification and as directed. Note - The weight of dry packed material (excluding activities like water, chemicals etc) used for injecting shall be considered for payement.

Additional Steel Reinforcement Bars Providing and fixing of TMT reinforcement bars wherever the old reinforcement has reduced to less than 20% of original diameter using binding wires or tack welding etc., as per the site conditions. Item rate is inclusive of the materials, charges for labour, supervision, tools, tackles, scaffolding, welding electrodes, binding wire and applying MasterEmaco P130 or equivalent approved material manufactured by BASF or approved equivalent material as anti-corrosive coating on the reinforcement bars etc., complete as per specification and as directed.

Shear Keys:Providing and fixing shear keys using 10 mm diameter TMT bars after drilling holes of 12mm diameter and 100 mm depth at 02 Nos /sqm area on the concrete substrate, cleaning and grouting the holes with two component epoxy resin based anchoring grout Master Flow 935 manufactured by BASF or approved equivalent material. Item rate is inclusive of the materials, all labour , supervision, tools and tackles, scaffolding and transportation etc., complete as per specification and as directed.

Fixing of 4" x4" 16 gauge GI Welded Wire Mesh:Providing and fixing GI welded wire mesh (4"x4"x16 gauge) with 30 cm lap at junction one layer around the cross section of beams and along the span length completed as per specification. Item rate inclusive of materials, all labour, supervision , tools, tackles , transportation, scaffolding , fixing etc., complete as per specification and as directed.

Polymer Modified Micro:Conerete: Providing and laying of ploymer modified micro-concrete like MasterEmaco S466 manufactured by BASF or approved equivalent material blended with washed, saturated surface-dry (SSD), graded, low absorption, high density aggregates of size 5mm to 12mm at 50% by weight of micro-concrete and water at 3.25 to 3.75 litres per 25 kg bag and pouring into the form work using suitable pumping device for uniform flow of concrete. The side shuttering can be removed after 3 days and the bottom shuttering after 7 days ensuring proper bond between the micro concrete and existing concrete substrate. Item rate inclusive of all materials, labours, supervision, tools, tackles, transportation, fixing thin film coated water tight shuttering, drilling of holes for pumping micro concrete and filling after pumping, curing, scaffolding etc., complete as per specification and as directed

Protective Coating: Providing and applying single component , high build, elastomeric, crack bridging , resistant to CO2 & SO 2 and Chloride in diffusion, UV resistant, breathable acrylic coating, with elongation at break exceeding 300% MasterProtect 300 manufactured by BASF or equivalent material applied in two coats (each coat 150 micron DFT) on acrylic based primer at an average total thickness of 300 microns DFT in two coats including acrylic resin based primer Master Seal 399 or equivalent as per the recommendation of the manufacturers. Item rate inclusive of all material, labours, supervision, tools, tackles, transportation, seaffolding etc., complete as per specification and as directed.

Spray Mortar as per the Site Conditions. Providing and applying on the sxposed surfaces of Pile Cap with single component, micro silica enhanced , high strength shotcrete morter like MASTEREACO S 810 manufactured by BASF or equivalent material using suitable pumping devices and as per manufactures specification. The repair spray mortar shall have a minimum compressive strength of 15 MPa after 24 hours and 40 MPa at 28 days and does not require any coat of polymer bonding agent as a primer. Item rate is inclusive of materials, all labour, supervision, tools and tackles and transportation etc., complete as per specifications and as directed. (Up to 50 mm thick) Note - The weight of dry prepacked maerial (excluding addititived like water, chemical etc) used for spraying shall be considered for payement.

Sarjan Construction Pvt Ltd

Sanjay Construction Company

Ferro Concrete Const.(India) Pvt. Ltd.,