NOTES:

SCALE DRAWING NO.

DATE

1 : 25

JAN 1991 C2103J

HANDRAILING TO MAINTENANCE

STAIRWAY ON SLOPE

Original SignedE NAME OF DEPARTMENT AMENDED. 01.2005

F Original SignedMINOR AMENDMENT. 07.2006

CIVIL ENGINEERING AND

DEVELOPMENT DEPARTMENT

REF. REVISION SIGNATURE DATE

G Original Signed 02.2007NOTE FOR DOUBLE HANDRAIL ADDED.

H 02.2008STEEL ANGLE BASE ADMENDED. ����Original Signed

SIZE OF MILD STEEL TUBE REVISED 09.2013J

1. ALL DIMENSIONS ARE IN MILLIMETRES. 2. HANDRAIL SHALL BE PROVIDED TO THE SIDE(S) WHERE A PERSON IS LIABLE TO FALL OVER 2m. 3. ALL WELDS SHALL BE CHIPPED AND GROUND SMOOTH AND BRUSHED TO REMOVE SLAG AND PROTECTED BY TWO COATS OF ZINC RICH PAINT TO BS4652. 4. ALL STEELWORK SHALL BE HOT DIP GALVANIZED. 5. ALL STEEL POSTS AND TUBES SHALL COMPLY WITH BS EN 10255 (MEDIUM AND HEAVY SERIES TUBES) 6. ALL STEEL ANGLES SHALL COMPLY WITH BS EN 10025 AND BS EN 10056. 7. CONCRETE TO BE PAINTED AS SPECIFIED. 8. ALL EXPOSED STEELWORK SURFACES SHALL BE TREATED AND PAINTED IN ACCORDANCE WITH THE GENERAL SPECIFICATION AND PARTICULAR SPECIFICATION OR AS SPECIFIED BY THE ENGINEER.

Original Signed

A

A

200

200

500

500

1000

1000

FINAL SLOPE PROFILE

AT MID-HEIGHT

OF EACH BATTER

2000 MAX.

GRADE 20 / 20

CONCRETE OR 20 MPa

SPRAYED CONCRETE

CONCRETE MAINTENANCE

STAIRWAY

( SEE DRG. NO. C2101

FOR DIMENSIONS )

DN25 HEAVY SERIES

MILD STEEL TUBE

DN40 MEDIUM SERIES MILD STEEL POST

SEE DETAIL ’A’

SECTION A - A

OVERALL WIDTH TO BE SPECIFIED

(600 MIN.)

SEE DETAILS OF

STEEL ANGLE BASE

DN40 MEDIUM SERIES

MILD STEEL POST

(SEE NOTE 2)

100

EQ. EQ.

EQ

.E

Q.

100

SCALE 1 : 5

6

10025 25

2525

100

PLAN

ELEVATION END ELEVATION

4 NOS. 8 DIA.

STAINLESS STEEL

ANCHOR BOLT

WITH WASHER

ANCHOR BOLT WITH

MINIMUM 69

EMBEDMENT DEPTH

LEVEL OF

CONCRETE STEP

DETAILS OF STEEL ANGLE BASE

100 x 100 x 10 Tk

MILD STEEL ANGLE

DN40 MEDIUM SERIES

MILD STEEL POST

DN40 MEDIUM SERIES

MILD STEEL POST

SCALE 1 : 10

DOME-SHAPE METAL

CAP WELDED ON TOP

OF HOLLOW SECTION

6

10 M

IN.

DN25 HEAVY SERIES

MILD STEEL TUBE

DN40 MEDIUM SERIES

MILD STEEL POST

DETAIL ’A’

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