HDB Safety Manual

8/6/2019 HDB Safety Manual

http://slidepdf.com/reader/full/hdb-safety-manual 1/47



MAST

RAILING

MANUAL CRANE

JIB

ROOF

ACCESS

CAGE

CABLE GUIDE

SCREEN

GROUND PANEL

CABLE

CASKET

HOIST ASSEMBLY

MAST

RAILING

MANUAL CRANE

JIB

ROOF

ACCESS

CAGE

CABLE GUIDE

SCREEN

GROUND PANEL

CABLE

CASKET

HOIST ASSEMBLY

GUARDRAIL WELDED

TO ANGLE PLATE12 mm THK PLATE PLATFORM

2 NOS 10 mm THK U PLATES

WELDED TO UNDWERSIDE OF

WORKING PLATFORM

3 NOS 100 mm DIA. PIPES

ACCESS WORKING PLATFORM

ANGLE PLATE

175X50X8

THK CHANNEL

GUARDRAIL WELDED

TO ANGLE PLATE12 mm THK PLATE PLATFORM

2 NOS 10 mm THK U PLATES

WELDED TO UNDWERSIDE OF

WORKING PLATFORM

3 NOS 100 mm DIA. PIPES

ACCESS WORKING PLATFORM

ANGLE PLATE

175X50X8

THK CHANNEL

CABLE GUIDING POSITION

CABLE CASKET

CABLE GUIDING POSITIONCABLE GUIDING POSITION

CABLE CASKETCABLE CASKET



HOIST MAINTENANCE DIAGRAM

7 8 14

8

1 5

10

3 4 12

1 5

5 6 9 11

13 14 15

1

8

2

5

2

3 11 12

HOIST MAINTENANCE DIAGRAM

7 8 14

8

1 5

10

3 4 12

1 5

5 6 9 11

13 14 15

1

8

2

5

2

3 11 12

MAINTAINING THE HOIST

In order for the hoist to work in good condition, the following maintenance guides should be

followed but it must not be considered as a complete check list :-

ITEMMAINTENANCE INTERVAL POSITION TO CHECK

1 LUBRICATION - MOVING PARTS ON THE CAGE

2 - MOVING PARTS ON THE SCREEN

3 ELECTRICAL - NO LOOSE OR CHAFING WIRES ON TERMINALS

4 WEEKLY

- CHECK TIGHTNESS OF FASTENING ON TERMINAL

- KEEP THE INSIDE OF THE CONTROL PANEL CLEAN &

FREE FROM DUST & METAL PARTICLES

5- ALL LIMIT SWITCHES ARE CLEAN & FUNCTIONING

CORRECTLY

6 LUBRICATION - HELICAL WORM GEARED DRIVE UNIT'S OIL LEVEL

7 - GREASE THE RACK

8 MECHANICAL - CHECK ALL SECURING BOLTS FOR TIGHTNESS

9- CHECK THE DRIVE UNIT SECURING BOLTS & CLAMPING

SADDLE NUTS FOR TIGHTNESS

10 MONTHLY

- CHECK THE CAGE ROLLERS & BACK-UP ROLLERS

BOLTS FOR TIGHTNESS

11

- CHECK & RE-ADJUST IF NECESSARY THE AIR GAP OF

THE ELECTRO-MAGNETIC DISC BRAKE ON THE DRIVE

UNIT(S)

12 ELECTRICAL - CONTRACTORS: THE COIL SHOULD BE REMOVED & THE

MAGNETIC FACES CLEANED WITH CLOTH CONTAINING

LIGHT M/C OIL TO LEAVE A THIN FILM ON THE POLES

FACES DUST CAUSES HUM HERE. CHECK THE FIXED &

REMOVING CONTACTS FOR WEAR & REPLACE WHEN

NECESSARY

13 MECHANICAL 3 MONTHS - INSPECT, CLEAN & TEST EMERG. BRAKE DEVICE14 MECHANICAL 6 MONTHS - CHECK FOR WEAR & ENGAGEMENT OF RACK & PINION

15 LUBRICATION 12 MONTHS - CHANGE THE DRIVE UNIT GEAR OIL



STEEL PLATES

ALTERNATE STEEL PLATE ARRANGEMENT

STEEL PLATE

COMPACTED

HARDCORE

COMPACTED

SUBGRADE

GROUND BEARING CAPACITY OF

ACCESS FOR HEAVY MOBILE CRANES

1 5 0

850

WIDTH

850 + 2 X 150= 1150 mm (min)Subgrade

STEEL PLATE

OUTRIGGER

DETAIL ‘1’

TRUCK-MOUNTEDCRANE

DETAIL ‘1’

U-BAR

STEEL PLATE

( U-BAR SHALL BE USED TOANCHOR STEEL PLATE AT

LOCALISED AREA )

STEEL PLATES


STEEL PLATES


STEEL PLATE

COMPACTED

HARDCORE

COMPACTED

SUBGRADE

STEEL PLATE

COMPACTED

HARDCORE

COMPACTED

SUBGRADE



1 5 0

850

WIDTH

850 + 2 X 150= 1150 mm (min)Subgrade



1 5 0

850850

WIDTH

850 + 2 X 150= 1150 mm (min)

WIDTH

850 + 2 X 150= 1150 mm (min)Subgrade

STEEL PLATE

OUTRIGGER

DETAIL ‘1’

TRUCK-MOUNTEDCRANE

STEEL PLATE

OUTRIGGER

DETAIL ‘1’

TRUCK-MOUNTEDCRANE

DETAIL ‘1’

U-BAR

STEEL PLATE


LOCALISED AREA ) DETAIL ‘1’

U-BAR

STEEL PLATE


LOCALISED AREA )



FRONT VIEW

MAST CLIMBING WORK PLATFORM

FRONT VIEW

MAST CLIMBING WORK PLATFORM



WIREMESH (FINE NETTING)

3 NOS OF 200X50mm

TIMBER PLANK X 2 LAYERS

CABLE DRUM

MIN 2 BOLTSTO BE

PROVIDED

WIREMESH (FINE NETTING)WIREMESH (FINE NETTING)

3 NOS OF 200X50mm


3 NOS OF 200X50mm


CABLE DRUMCABLE DRUM

MIN 2 BOLTSTO BE

PROVIDED

MIN 2 BOLTSTO BE

PROVIDED

HDB Safety Manual

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