CONTENTS - Central Public Works Department

294 SECTION 53
Annexure - I
List Of Equipment For Field Testing Laboratory
[Reference para 53.7(vii)]
A. For Building Works
1. Balances
(i) 7 kg. to 10 kg. capacity, semi-self indicating type - accuracy 10 gm.
(ii) 500 gm. capacity, semi-self indicating type - accuracy 1 gm.
(iii) Pan balance- 5 kg. capacity - accuracy 10 gms.
2. Ovens-electrically operated, thermostatically controlled upto 110°C - sensitivity 1°C.
3. Sieves: as per IS 460-1962.
(i) I.S. sieves - 450mm internal dia, of sizes 100 mm, 80 mm, 63mm, 50 mm, 40 mm, 25 mm, 20
mm, 12.5 mm, 10 mm, 6.3 mm, 4.75mm, complete with lid and pan.
(ii) I.S. sieves- 200mm internal dia (brass frame) consisting of 2.36mm, 1.18mm, 600 microns, 425
microns, 300 microns, 212 microns, 150 microns, 90 microns, 75 microns, with lid and pan.
4. Sieve shaker capable of 200 mm and 300 mm dia sieves, manually operated with timing switch
assembly.
5. Equipment for slump test- Slump cone, steel plate, tamping rod, steel scale, scoop.
6. Dial gauges, 25 mm travel - 0.01 mm/division least count - 2nos.
7. 100 tonnes compression testing machine, electrical-cum manually operated.
8. Graduated measuring cylinders 200 ml capacity - 3 Nos.
9. Enamel trays (for efflorescence test for bricks).
(i) 300 mm × 250 mm × 40 mm- 2 nos.
(ii) Circular plates of 250 mm dia - 4 nos.
B. For Road Works
1. Balances
(i) 7 kg to 10 kg capacity, semi-self indicating type - accuracy 10 gm.
(ii) 500 gm capacity, semi-self indicating type, accuracy 1 gm.
(iii) Chemical balance, 100 gm capacity - accuracy- 0.1 gm.
(iv) Pan balance - 5 kg. capacity - 10 gm accuracy.
(v) Platform scale- 300 kg capacity.
2. Oven electrically operated, thermostatically controlled.
(i) Upto 200°C for determination of loss on heating of bitumen.
3. Sieves as per IS 460-1962.
(i) I.S. sieves - 450 mm of internal dia of sizes 100 mm, 80mm, 63mm, 50mm, 40mm, 25mm,
20mm, 12.5mm, 10mm, 6.3mm, 1.75mm, complete with lid and pan.
(ii) I.S. sieves - 200 mm internal dia (brass frame) consisting of 2.36mm, 1.18mm, 600 microns, 425
microns, 300 microns, 212 microns, 150 microns, 90 microns and 75 microns with lid and pan.
4. Sieves shaker capable for shaking 200mm and 300mm dia sieves, electrically operated with timer.
5. Dial gauge
(i) 25mm travel - 0.01mm/division.
6. Load frame-5 tonnes capacity, electrically operated with speed control.
7. Aggregate impact test apparatus as per IS 2386-Part IV-1963.
8. Compaction apparatus (Proctor) as per IS 2720-Part VII-1974.
9. Modified ASHO compaction apparatus as per IS 2720-Part-III-1974.
10. Sand pouring cylinder with control funnel and tube complete as per IS 2720-Part XXVIII-1974.
11. Sampling tins with rods 100mm dia × 50mm ht., 1/2kg capacity, and miscellaneous items like
moisture tins etc.