CENTRE FOR CONSTRUCTION DEVELOPMENT AND RESEARCH(CDR)

STRUCTURAL ASSESSMENT AND REHABILITATION (SAR):

• In-situ quality assessment, durability investigation and residual life assessment of concrete structures
• NDT including durability testing for Reinforcement Corrosion due to carbonation and chloride attack
• Distress investigations of buildings, bridges, dams, power plants, chimney, silo etc. deteriorated dueto aggressive environment or fire damaged structure
• Consultancy for repairs/rehabilitation & retrofitting
• Proof Checking of Structural Design
• Service Life Design for concrete structures

THIRD PARTY QUALITY ASSURANCE:

• Technical Audit (TA), Quality Assurance & Quality Control (QA/QC) and Third-Party Quality Audit (TPQA) of new constructions-residential, commercial & institutional Buildings; Flyovers, Concrete roads, Bridges etc.
• Consultancy for Buildings using Precast Technology
• Consultancy for fly ash based building products such as fly ash bricks, paver blocks, kerb stones, aerated concrete block etc.

CONCRETE TECHNOLOGY: Testing of Concrete Making Materials

• CementandcementitiousMaterialssuchasOPC,PPC,PSC,FlyAsh,Slag,etc.
• Aggregates – Complete physical and chemical analysis and Alkali-AggregateReactivity

CONCRETE TECHNOLOGY: Normal Concrete & Standard Concrete Mix Proportions

• Ordinary concrete, standard concrete and High Strength Concrete using OPC,PPC,PSC,OPC+FlyAsh/GGBFS,OPC+FlyAsh/GGBFS+SilicaFumeetc.
• Conducting Mix Design of Special Concrete such as High-PerformanceConcrete, Self- CompactingConcrete,PavementQualityConcrete (PQC),Dry LeanConcrete (DLC),Fiber Reinforced Concrete etc.

List of Equipments

S.No	Name of the Equipment	Purpose
1	"CONCRETE PAN MIXER- CAPACITY: 40 LITERS AIMIL MAKE"	CONDUCTING CONCRETE MIX PROPORTION TRAILS
2	"CONCRETE PAN MIXER- CAPACITY: 250 LITERS AIMIL MAKE"	CONDUCTING CONCRETE MIX PROPORTION TRAILS
3	CONCRETE SLUMP CONE TEST	FRESH CONCRETE WORKABILITY TEST
4	COMPACTION TEST OF FRESH CONCRETE	FRESH CONCRETE WORKABILITY TEST
5	VEE-BEE CONSISTOMETER FOR CONCRETE	FRESH CONCRETE WORKABILITY TEST
6	"SELF COMPACTING CONCRETE(SCC) WORKABILITY EQUIPMENT-SLUMP CONEWITH TABLE L-BOX V-BOX & U-BOX"	SCC FRESH CONCRETE WORKABILITY TEST
7	CEMENT CONCRETE CUBES (150*150*150mm)	CC CUBE’S FOR CONCRETE COMPRESIVE STRENGHTH
8	CEMENT CONCRETE BEAMS-(150*150*700mm)	CONCRETE FLEXURAL STRENGTH AND CONCRETE SPLIT COMPRESSIVE STRENGTH
9	"ELECTRONIC WEIGHING BALANCE – CAPACITY- 150KG 15KG AND 5KG "	FOR CONCRETE TESTING
10	C.C. CUBES VIBRATING TABLE	FOR MAKING FRESH CONCRETE CC CUBES
11	C.C. CUBES VIBRATING NEEDLE	FOR MAKING FRESH CONCRETE CC CUBES
12	CC CUBES CONCRETE WATER CURING TANK	CC CUBES WATER CURING
13	HOT AIR OVEN	TESTING
14	ACTM-2000KN- MAKE: CONTROL’S-GERMANY	TESTING OF CC CUBES COMPRESIVE STRENGTH
15	ACTM-3000KN- MAKE: AIMIL ATTACHED WITH FLEXURAL STRENGTH AND SPLIT TENSILE STRENGTH	TESTING OF CC CUBES COMPRESIVE STRENGTH AND CC BEAMS FLEXURAL STRENGTH AND SPLIT TENSILE STRENGTH
16	"CORE EXTRACTION TESTING AND EVALUTION – 60mm 75mm & 100mm "	HARDEND CONCRETE CORE EXTRACTION AND TESTING
17	PROFOMETER	HARDEND CONCRETE COVER AND LOACTION OF THE STEEL REBARS
18	REBOUD HAMMER – NDT TESTING	LIKELY COMPRSSIVE STRENGTH OF HARDENED CONCRETE
19	ULTRASONIC PULSE VELOCITY	QUALITY. INTEGRITY AND HOMOGINITY OF CONCRETE
20	HALF-CELL POTENTIAL TESTER	PROBABILITY OF REBAR CORROSION
21	RESISTIVITY METER	RESISTANCE OF CONCRETE TO PERMEATION OF WATER
22	CRACKOSCOPE	WIDTH OF CRACKS

List of Recent Projects:

S.No	Name of the Project
1	"Third Party Quality Assurance (TPQA) for the work of Chemical & Materials and Metallurgical Engineering Buildings at NIT Warangal"
2	Third Party Quality Control Assurance (TPQA) for Construction Dr. B.R. Ambedkar Learning Center and Renovation of IT Theme Centre at NIT Warangal
3	TPQA Services of Academic Complex at IIT Madras at Chennai-36 at IITM at Chennai.
4	"TPQA of 765Kv D/C Vemagiri-Chilakaluripeta (251.61Km) 765 Kv D/C Chilakaluripeta–Kadapa (305.5Km) 400Kv D/C Kadapa–Madhugiri (238.4Km) 400Kv D/C Palasa- Garividi (145.8Km) Transmission lines projects of Power Grid Corporation Limited Secunderabad"
5	Third Party Field Quality Field Quality Inspection for +/- 800 KV Raigarh- Pugalur Transmission Line SR-1 Portion of Power Grid Corporation of India Limited Kurnool CAO.
6	"Third Party Field Quality Inspection at random for +800Kv Raigarh - Pugalur Transmission lines (SR-I Portion) against Specification No SR-I/C&M/WC-1856-5A/2017-TW 05 Jangoan Telangana State"
7	Construction of Boys Hostel for CIPET, IDA, Phase-II, Cherlapally, Hyderabad
8	"Construction of Skill Development Centre and Hostel Blocks at Chellakere campus Challakere district-Chitradurga Karnataka"
9	"TPQA for the Work of “Design & Construct SC/ST hostel beneficiaries and associated building for NIEPMD with PRECAST TECHNOLOGY"" at Muttukadu Chennai "
10	Condition Assessment Studies of TG foundations (3No’s, 500MW each) at Rihand Super Thermal Power Station, Rihand Nagar, Uttar Pradesh
11	"Condition Assessment of Structural Concrete using Non-Destructive Technique including preparation of bill of Quantities (BOQ) cost estimate & Third-Party Quality Assurance during repair of cooling Tower Unit -I & II in PP-III at NSPCL Bhilai"
12	"Condition Assessment and Recommendations on Repair & Restoration Measures of Fairlie Warehouse at Kolkata port Trust (KoPT) Kolkata"
13	Condition Assessment study of RCC Chimney Unit#4, 5 & 6 at NTPC Ramagundam Super Thermal Power Station, Ramagundam, Telangana
14	"Condition Assessment Studies and recommendations on repair & Restoration / strengthening measures of Track Hopper-I & II at Farakka Super Thermal Power Station NTPC Farakka"
15	"Condition Assessment of TG foundation of Units 1/2/3/-200MW & Unit-5/7-500MW units (Total 5No’s) NTPC Ramagundam Super Thermal Power Station Ramagundam Telangana"
16	"Condition Assessment of 2 nosRCC IDCT structures of NTECL Vallur Thermal Power Station at Vallur Tamilnadu"
17	Evaluation of Treated Drilling Waste material obtained from Krishna Godavari basin, Andhra Pradesh for use as optimum replacement for making fly ash Bricks by M/s SAR Chandra Environ Solutions Pvt. Ltd. Kakinada (Krishna Godavari basin, A.P) based waste management service provider for Oil & Gas Industry. (Phase-I)
18	"Conducting Concrete Mix Proportions M50A20Grades (2 No’s) of Concrete using with OPC-53 Grade chemical admixture for civil works of Precast Lining segments for Srisailam Tunnel Project "
19	“Evaluation of Materials and Conducting Concrete Mix Proportion M25A20 Grade of Concrete using chemical admixture for civil works of supply, Installation, Erection and commissioning of VFD System of ID Fan of 500 MW Units, NTPC Ramagundam, STPS Stage-II (3*500MW)

STRUCTURAL ASSESSMENT AND REHABILITATION (SAR) PHOTOS

Extraction of Concrete Core at NTPC Ramagundam	Rebound Hammer Testing at NTPC Unchahar
UPV Testing of a Bridge Girder at NTPC Korba	Pull-off Testing at NSPCL Bhilai
Cover Study at NTPC Rihand	Exhibition cum Convention Centre at KTPO, Bengaluru
Administrative Block Building at NIT Puducherry	Metallurgical Engineering Block at NIT Warangal
Central Revenue Quarters, Chennai	Compression Testing Machine
Self-Compacting Concrete