BRICKWORK VALVE CHAMBER - REBAR DETAIL & BENDING SCHEDULE

Oct 23, 2026

Standard drawing for a brickwork valve chamber with maximum 3.4m overall size, providing rebar detailing, reinforcement layout plans, and an explicit bending schedule adjusted for the valve chamber arrangement. Includes concrete cover requirements over stirrups and rebar, reinforcement member/bar markings, and notes for mesh reference and panel mass. Provides general notes, construction management and monitoring responsibilities, and design criteria including soil parameters, bearing pressure, and vehicle live load on roof.

LanguageEnglish

CategoryResearch & Report

FormatPDF

Pages1

Reading Time3 min

AccessFree to download

Rebar detailing and bending schedule

Concrete cover and reinforcement layout

General notes and construction management

Design criteria and abbreviations

| 34R8-01-100 STIRRUPS

50mm Ø LIFTING HOLE
50mm Ø LIFTING HOLE
CONCRETE COVER OVER STIRRUPS :
TOP = 30mm BOT = 30mm SIDES = 30mm

4Y10-06-200 B2

6Y10-07-200 B2 6Y10-07-200 B2

5Y16-03-75 B1
10Y16-04-100 B1
5Y20-03b-75 B1
11Y10-06-200 B2
CONCRETE COVER OVER REBAR : TOP = 50mm
BOT = 30mm
SIDES = 50mm
BENDING SCHEDULE FOR 3 .4m x 3 .4m VALVE CHAMBER
(TO BE ADJUSTED FOR OTHER SIZES & ACCESS CHAMBER TYPES) MEMBER NO
OF NO
BARS DIA BAR
MARK TOTAL LENGTH SC A B C D E/R kg FIXED PANEL 1 5 Y16 03 5 3650 38 200 3300 29 1 5 Y20 03b 5 3600 38 200 3300 44 1 10 Y16 04 10 2250 38 160 1980 36 1 10 Y16 05 10 750 35 490 12 1 15 Y10 06 15 1300 20 1300 12 1 12 Y10 07 12 250 20 250 2 1 4 Y20 08 4 1350 20 1350 13 REMOVABLE
PANELS 4 34 R8 01 136 1300 60 140 430 70 4 6 Y16 02 24 3550 38 160 3300 134 FLOOR SLAB MESH REF. 617 = 16m² (LAPS NOT INCLUDED)
6 8 10 12 16 20 25 32 40 TOTAL R 70 70 Y 14 211 58 282 TOTAL 70 14 211 58 352
PLAN-REMOVABLE PANELS REBAR LAYOUT
(4 NO OFF)
PLAN-FIXED PANEL REBAR LAYOUT
(1 NO OFF)
APPROXIMATE MASS OF ONE 3.4m PANEL = 800kg
NOTE :
FOR VALVE CHAMBER LAYOUT SEE DWG NO. 7515-VC200 | | | | | | | | | | | | | NOTES AND SPECIFICATIONS GENERAL
1. ALL MATERIAL AND WORKMANSHIP MUST COMPLY WITH THE REQUIREMENTS OF THE LATEST RELEVANT SANS STANDARD
2. ALL DIMENSIONS ARE IN mm (UNLESS OTHERWISE SPECIFIED)
3. DO NOT SCALE FROM THESE DRAWINGS
4. ALL DIMENSIONS TO BE CHECKED AND APPROVED ON SITE
5. ALL CONSTRUCTION TO BE DONE IN ACCORDANCE WITH THE STANDARD SPECIFICATIONS FOR MUNICIPAL CIVIL ENGINEERING WORKS, THIRD EDITION 2005 AND THE STANDARD COT DETAIL DRAWINGS
6. THIS DRAWING MUST BE READ IN CONJUNCTION WITH THE STANDARD DRAWINGS (IF APPLICABLE)
7. THIS DRAWING MUST BE READ IN CONJUNCTION WITH THE STANDARD SPECIFICATIONS FOR MUNICIPAL CIVIL ENGINEERING WORKS, SERIES 4
8. THE SIGNATURE OR INITIALS ON THIS DRAWING OF ANY DIRECTOR OF THE WATER AND SANITATION DEPARTMENT, IN NO WAY, REMOVES ANY RESPONSIBILITY WHATSOEVER FROM THE CONSULTANT
9. THE CONSULTANT REMAINS RESPONSIBLE TO
ENSURE THAT ALL THE GUIDELINES, STANDARD DRAWINGS, STANDARDS AND SPECIFICATIONS OF THE WATER AND SANITATION DEPARTMENT HAVE BEEN MET AND ARE COMPLIED WITH
10. FINAL POSITION OF SERVICES TO BE DETERMINED ON SITE
CONSTRUCTION MANAGEMENT AND USE OF DRAWINGS :
CONSTRUCTION MANAGEMENT :
1. THE COUNCIL SHALL APPOINT OR PROVIDE AN APPROPRIATELY QUALIFIED & EXPERIENCED FOREMAN, TO MANAGE & SUPERVISE THE CONSTRUCTION OF THE VALVE CHAMBER SHOWN ON THESE CONSTRUCTION DRAWINGS.
2. THE FOREMAN SHALL STUDY, INTERPRET & APPLY THE DETAILS & INSTRUCTIONS PROVIDED ON THE DRAWINGS, WHILST AT THE SAME TIME SUPERVISE THE CONSTRUCTION OF THE WORKS ON A DAILY BASIS.
3. NO DEVIATION FROM THE DRAWING DETAILS AND INSTRUCTIONS ARE PERMITTED.
4. SHOULD THE FOREMAN HAVE QUESTIONS ABOUT THE DRAWINGS OR CONSTRUCTION, HE SHOULD CONTACT THE COUNCIL'S ENGINEER IN CHARGE OF THE PROJECT.
STRUCTURAL DESIGN :
1. THE DESIGN OF THE CHAMBER DEPICTED ON THE DRAWING, IS A STANDARD DESIGN PERFORMED BY THE CONSULTING ENGINEER FOR THE COUNCIL, TO BE USED ON AN INDETERMINATE NUMBER AND LOCATION OF SITES. AS SUCH THE CONSULTING ENGINEER CANNOT TAKE ANY RESPONSIBILITY FOR THE DESIGN OF THE STRUCTURES.
CONSTRUCTION MONITORING :
1. AS THE CONSULTING ENGINEER HAS NOT BEEN APPOINTED TO PERFORM THE CONSTRUCTION MONITORING DUTIES, HE CANNOT TAKE ANY RESPONSIBILITY FOR THE SUCCESSFUL AND CORRECT EXECUTION OF THE WORKS ACCORDING TO THE CONSTRUCTION DRAWINGS.
2. THE FULL RESPONSIBILITY FOR SUPERVISING
THE EXECUTION OF THE WORKS LIES WITH THE FOREMAN OF THE PROJECT.
DESIGN CRITERIA :
· SOIL DENSITY = 1800kg/m³
· SOIL K-ACTIVE = 0,4
· MAX. WATER TABLE = 1,0m BELOW NGL.
· LIVELOAD
VEHICLE ON ROOF ≤ 4500kg GVM
i.e 6kPa LL OR
2 x 14kN PL 1,0m APART
SAFE BEARING PRESSURE OF GROUND ≥ 100kPa
ABBREVIATIONS FO

FAQs

What concrete cover limits are specified over the stirrups and rebar?

The drawing states concrete cover over stirrups as TOP = 30mm, BOT = 30mm, and SIDES = 30mm. For rebar, it specifies TOP = 50mm, BOT = 30mm, and SIDES = 50mm.

How is the bending schedule for reinforcement intended to be used?

The schedule is given for a 3.4m x 3.4m valve chamber and should be adjusted for other sizes and different access chamber types.

What construction and design responsibilities are addressed in the notes?

The notes specify that the council appoints a qualified foreman to manage supervision daily and that no deviations from drawing details are permitted. They also clarify design responsibility limits for the consulting engineer and emphasize monitoring responsibility where applicable.

Oct 23, 2026

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