STRUCTURAL SOUNDNESS NDT FOR CERTAIN BUILDINGS AT SMA VARUNAPURI AND AVIATION HANGER P235 AT BSF GOA AT INS HANSA UNDER GE NW VASCO

Amount

To Carry out Visual Inspection and distress survey of all structural members and to carry out the Non destructive tests and to assess the extent of damages and prepare report of damages involved and proposed repair work in Building Nos P-8, P-9, P-46, P-206, P-207, P-208, P-29 and P-55 at SMA Varunapuri

To Carry out Visual Inspection and distress survey of all structural members and to carry out the Non destructive tests and to assess the extent of damages and prepare report of damages involved and proposed repair work in Building No P- 235 at BSF (GOA) at INS Hansa

The following tests are required to be conducted for SI Item Nos 1 & 2 :- 1. Rebound Hammer Test 2. Ultrasonic Pulse Velocity Test 3. Core Cutting Tests 4. pH, Chloride and Sulphide tests 5. Half Cell Potential Tests 6. Carbonation Depth 7. Visual inspection and photograpy 8. Cover meter test 9.Reinforcement mapping 10. Any other test, if required The following additional tests are required to be conducted for SI Item No 2 at appropriate places:- 1. Ultrasonic guage thickness Test 2. Magnetic Particle Test 3. Dye Penetration test

Notes for SI item Nos 1 & 2 (a) All these tests should be well distributed amongst all the members (beam/column and slab) in plan as well as at floor levels (b) The scope of work must include structural analysis to ascertain present day seismic safety status of the structures. (c) Repair and rehabilitation measures must be suggested by consultant both from strength and durability point of view by taking cognizance of NDT and structural analysis. (d) Based on the interpretation of the results, the corrective actions required alongwith the detailed steps of the methodology of the repair work to be done including technical and material specification shall be suggested in written advice in triplicate with soft copies.

(e) The report shall be submitted to CWE (N) Vasco for approval through GE (NW) Vasco. (f) The core cutting area shall be restored using high strength epoxy concrete without any extra cost. (g) Following shall deemed to be included in the quoted rates for the items:- (i) Mobilization and demobilization of tools / equipment and personnel required to execute the work as per specification and normal Engineering practice. (ii) Lodging and boarding for personnel at contractors own cost. (iii) Quoted rate include for all prevailing taxes. (iv) All the material, labour and equipment required for carry out the tests. (v) Vetting of structural audit report from Government Engineering College/NABL accredited laboratory.