HomeMy WebLinkAbout1977-05-03; City Council; 5056; Building Code Revisions Water Conservationr'
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CITY OF CARLSBAD l=�
AGENDA BILL NO. ,'rQ�� Initial:
DATE: May 3, 1977 Dept.Hd._�
C. Atty. \j
DEPARTMENT: UTILITIES/MAINTENANCE
-- C. Mgr.
Subject:
BUILDING CODE REVISIONS -RELATING TO,WATER CONSERVATION'
Statement of the Matter
Council approved Resolution 5033 on April. 5, 1977 calling for citizens to undertake
all means possible to reduce the consumption of water to conserve that precious
commodity. Staff has reviewed various water conservation/energy conservation
measures that have, been included in building codes of other agencies (Exhibit A)
and has provided -this list to the Water Conservation Committee for their
concurrence.
EXHIBITS
A.• Memorandum to City Manager from'Director of Utilities & Maintenance of
'April 20, 1977.
RECOMMENDATION
If Council concurs with -the recommendations for incorporating water conservation
considerations in the Building Codes for the City, refer to staff for development
of appropriate ordinances.
Council action
5-3-7.7 The Council concurred with staff recommendations for incorporating
water conservation considerations in the Building'Code and the
'matter was referred to staff for preparation•of an appropriate
ordinance.
77-71
April 20, 1977
MEMORANDUM
TO: City Manager
FROM: Director of Utilities & Maintenance
SUBJECT: Proposed Code Changes Relating to Water Conservation
Attached is a memo relating to water conservation measures which could
be included in appropriate Chapters of the City Code. Most of these
measures have been included in code revisions of other jurisdictions.
I presented the memo for discussion and consideration by the Water
Conservation Committee of CMWD which Council indicated would be appro-
priate to serve as a Joint Advisory Committee, on Tuesday, April 19.
The Committee did approve the recommendations and I will prepare an
appropriate communication for that Committee to submit to Council at
their next meeting on April 26.
ROG W. GREER
Di ctor of Utilities & Maintenance
Attachment
RWG:pag
cc: Public Works Administrator
EXHIBIT "A"
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I-MIER COIISERVATION MEASURES j
TO BE INCORPORATED IN CITY BUILDING QODES j
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A. LOW COST (any added costs ,,ill be amortized in less than 1 year
due to reduced waterjenergy costs).
1. Tank Toilets not to exceed 3.5 gallons per flush
(State Lavr mandating this is effective 1 January 1978).
2. Shower Heads limited to 3.5 gallons/minute at 80 p.s.i.
3. Aerators to reduce flow to 4 gallons/minute required on
al] sinks and lavatories. I
4. Lavatories for all commercial applications will be
equipped with metered or self -closing faucets.
5. Not and Cold Water Pipes under concrete slabs must be
separated by a minimum of 12 inches.
B. 1;ODERATE COST (added costs will be amortized in 1-5 years).
1. Require all Domestic Services be equipped with pressure i
reducing valves at 60 p.s.i. or less.
2. Al', Hot Water Systems will be two pipe type with/without
forced circulation provisions.
3. Thermal Insulation to be required on all hot water piping
runs not contained in or under concrete when linear measurement
along run between water heater and fixture exceeds 3 feet.
C. FIXTURE CONSIDERATION (may require more than 5 years to be cost
effective).
1. All Commercial Car Wash installations shall be equipped for
recycling of grater.
2. 1" Thermal Blanket Insulation required on outside of grater
heater.
3. hater Heater location such as to minimize hot water runs.
4. Commercial Laundromats to incorporate rinse cycle recycling.
5. Landscape irrigation systems must be equipped with moisture
sensor for automatic override of timers.
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4/19/77--pag