\uc11c\ub4dc \ub77c\uad6c\ub098 \ud790\uc2a4<\/p>\n
MU T U A<\/p>\n
| \u2014<\/p>\n
STANDARD 4: HEATING, VENTILATION AND AIR CONDITIONING<\/p>\n
REVISED SEPTEMBER 2005, RESOLUTION 03-05-20<\/p>\n
REVISED FEBRUARY 2006, RESOLUTION 03-06-09<\/p>\n
REVISED SEPTEMBER 2006, RESOLUTION 03-06-40<\/p>\n
REVISED JULY 2010, RESOLUTION 03-10-100<\/p>\n
GENERAL REQUIREMENTS REVISED APRIL 2011, RESOLUTION 03-11-49<\/p>\n
REVISED SEPTEMBER 2013, RESOLUTION 03-13-98<\/p>\n
REVISED JULY 2015, RESOLUTION 03-15-101<\/p>\n
REVISED JANUARY 2018, RESOLUTION 03-18-13<\/p>\n
REVISED JULY 2019, RESOLUTION 03-19-71<\/p>\n
REVISED MARCH 2023, RESOLUTION 03-23-23<\/p>\n
REVISED June 2023, RESOLUTION 03-23-68<\/p>\n
REVISED March 2025, RESOLUTION 03-25-57<\/p>\n
1.0<\/p>\n
GENERAL REQUIREMENTS<\/p>\n
SEE STANDARD 1: GENERAL REQUIREMENTS<\/p>\n
2.0<\/p>\n
DEFINITIONS<\/p>\n
The following definitions are oriented to situations typical in Laguna Woods Village.<\/p>\n
2.1 HVAC: Heating, ventilation and air conditioning system.<\/p>\n
2.2 FORCED-AIR CENTRAL SPLIT<\/p>\n
SYSTEM: A ducted system that<\/p>\n
provides both heating<\/p>\n
(heat<\/p>\n
pump) and cooling. The system<\/p>\n
ro<\/p>\n
consists of an outdoor unit<\/p>\n
(condenser) and an indoor unit<\/p>\n
(air handler), located in the attic<\/p>\n
Lt<\/p>\n
Ar Handi<\/p>\n
or a closet.<\/p>\n
The ductwork for<\/p>\n
this type of system is typically<\/p>\n
located in the attic space.<\/p>\n
Air<\/p>\n
\u00a2<\/p>\n
Ar Conditioner<\/p>\n
Rettgarston<\/p>\n
Thermostat<\/p>\n
Hest Pump
\nsupply registers are located in each room with one return air grill centrally<\/p>\n
located.<\/p>\n
23<\/p>\n
MINI SPLIT DUCTLESS SYSTEM:<\/p>\n
The Ductless Mini-Split<\/p>\n
A system that provides both heating<\/p>\n
(heat pump) and cooling without the<\/p>\n
use of ducts. The system consists<\/p>\n
INDOOR AIR<\/p>\n
HANDLER<\/p>\n
Tze<\/p>\n
2H<\/p>\n
OUTDOOR<\/p>\n
CONDENSER<\/p>\n
~\uc758<\/p>\n
one<\/p>\n
outdoor<\/p>\n
unit<\/p>\n
(compressor\/condenser) and one to<\/p>\n
\u00bb<\/p>\n
four room oriented indoor units (air<\/p>\n
3\/4]<\/p>\n
\uc5c4\ub9c8<\/p>\n
\u2014<\/p>\n
handlers\/evaporators). Each indoor<\/p>\n
hs;<\/p>\n
unit<\/p>\n
has<\/p>\n
separate<\/p>\n
temperature<\/p>\n
|<\/p>\n
controls.<\/p>\n
During Cooling the Process is Reversed<\/p>\n
24<\/p>\n
THROUGH THE WALL UNITS: A self-<\/p>\n
contained<\/p>\n
unit<\/p>\n
framed and mounted<\/p>\n
through an opening in the wall. There are<\/p>\n
several variations:<\/p>\n
Pa.<\/p>\n
\uc5d0\uc774<\/p>\n
PTAC:<\/p>\n
Packaged Terminal<\/p>\n
Air<\/p>\n
LA<\/p>\n
Conditioner.<\/p>\n
Able to provide both<\/p>\n
heating and cooling.<\/p>\n
Air Conditioners:<\/p>\n
1<\/p>\n
Units that provide cooling<\/p>\n
only.<\/p>\n
Units that provide cooling and electric heat (heat pump)<\/p>\n
(lower BTU capacity)<\/p>\n
Units that provide cooling with a heat pump (higher BTU<\/p>\n
capacity)<\/p>\n
25<\/p>\n
SEER: Seasonal Energy Efficiency Ratio \u2014 a rating that measures how<\/p>\n
efficiently an air conditioner operates.<\/p>\n
2.6<\/p>\n
HSPF:<\/p>\n
Heating Seasonal Performance Factor \u2014 a rating used to<\/p>\n
measure the heating efficiency of a Heat Pump.<\/p>\n
2.7<\/p>\n
dB: Decibel a unit used to measure the intensity of a sound.<\/p>\n
2.8<\/p>\n
CATWALK:<\/p>\n
a narrow access way to support a technician in an attic<\/p>\n
space, used for servicing equipment.<\/p>\n
29<\/p>\n
CHASEWAY: An enclosure through with equipment piping is run to<\/p>\n
connect an exterior component to an interior component.
\n3.0<\/p>\n
APPLICATIONS<\/p>\n
3.1 All new installations and changeout of HVAC equipment require a<\/p>\n
mutual consent.<\/p>\n
3.2<\/p>\n
Architectural scaled floorplans indicating all details and component<\/p>\n
locations are required.<\/p>\n
A. Architectural and\/or engineering plans and details are required<\/p>\n
for<\/p>\n
all<\/p>\n
modifications<\/p>\n
to<\/p>\n
the existing buildings structural<\/p>\n
components.<\/p>\n
1<\/p>\n
Modifications to existing building truss systems are<\/p>\n
prohibited.<\/p>\n
B. All manufacturers unit system specifications are required with<\/p>\n
submittal.<\/p>\n
3.3<\/p>\n
Asbestos abatement may be required. Any interior modifications will<\/p>\n
require a review by the City of Laguna Woods Building Department.<\/p>\n
3.4<\/p>\n
Air-source heat pumps SEER and HSPF ratings must comply with<\/p>\n
current California Energy Codes.<\/p>\n
3.5<\/p>\n
All HVAC systems must be properly sized for the space to be<\/p>\n
conditioned. Oversizing may be detrimental to performance and<\/p>\n
efficiency. Verify manufacturer specification recommendations and or<\/p>\n
system requirements with the HVAC contractor.<\/p>\n
A. Only one HVAC forced air split system or mini split system is<\/p>\n
allowed per manor.<\/p>\n
3.6<\/p>\n
All \u201cpackage\u201d units containing<\/p>\n
Typical sizing for<\/p>\n
both heating and cooling in one<\/p>\n
three-ton system<\/p>\n
system are prohibited due to<\/p>\n
74\u201d wide by 48\u201d<\/p>\n
deep by 40\u201d high<\/p>\n
[i 1<\/p>\n
|<\/p>\n
system sizing.<\/p>\n
4<\/p>\n
|<\/p>\n
[|<\/p>\n
\ub098<\/p>\n
[|<\/p>\n
Ll<\/p>\n
le<\/p>\n
3.7<\/p>\n
Equipment Locations: All exterior equipment locations to be reviewed<\/p>\n
and approved in the mutual consent review process.<\/p>\n
A. All forced air condenser units and condensers located on ground<\/p>\n
floor must be within 24\u201d of the building wall and mounted on a<\/p>\n
manufactured non-metallic pad.<\/p>\n
1<\/p>\n
Units must maintain sufficient clearance from windows,
\nother equipment, utility boxes, vents and walkways as<\/p>\n
per current California<\/p>\n
Building Code requirements.<\/p>\n
2<\/p>\n
All locations visible to two or more residential buildings<\/p>\n
\ub610\ub294<\/p>\n
~ \ud574\uc57c \ud558\ub2e4<\/p>\n
aesthetic<\/p>\n
public walkways<\/p>\n
provide an<\/p>\n
landscaping enclosure. Design, layout, and installation to<\/p>\n
be determined by the mutual\u2019s landscape department at<\/p>\n
the members expense. A landscape request form must<\/p>\n
be included in the submittal package.<\/p>\n
3<\/p>\n
All existing landscape and irrigation revisions required to<\/p>\n
accommodate ground level locations must be performed<\/p>\n
by the mutual\u2019’s landscape department at the members<\/p>\n
expense. A landscape request form must be included in<\/p>\n
the submittal package.<\/p>\n
B. Mini split condenser can be installed on a balcony provided there<\/p>\n
is sufficient physical floor \/ wall space and provided there is<\/p>\n
space<\/p>\n
to<\/p>\n
meet<\/p>\n
manufacturer’s<\/p>\n
operational<\/p>\n
clearance<\/p>\n
requirements.<\/p>\n
1<\/p>\n
See Section 7.3 Building Maintenance Requirements<\/p>\n
Physical space dependent, all top floor manors may roof mount<\/p>\n
condensing units on flat roofs provided that the installation<\/p>\n
conforms to the following requirements:<\/p>\n
1<\/p>\n
Structural review and documentation by a licensed<\/p>\n
architect or engineer will be required for verification of<\/p>\n
existing roof to support new HVAC unit.<\/p>\n
2<\/p>\n
Units must be on a raised platform per Section 8.<\/p>\n
3<\/p>\n
All roof penetrations to be performed by a licensed<\/p>\n
roofing contractor. Roofing contractor information to be<\/p>\n
supplied with mutual consent submittal.<\/p>\n
\uc5d0\uc774<\/p>\n
If a PVC roof is still under installation warranty<\/p>\n
(installed within the last five years) the member<\/p>\n
must use the company supplying the warranty<\/p>\n
for any roofing repairs.<\/p>\n
(1) Manufacturer’s Warranty: All<\/p>\n
roofing<\/p>\n
repairs<\/p>\n
require a<\/p>\n
Johns<\/p>\n
Manville<\/p>\n
certification.<\/p>\n
4. Proposed roof locations can not impede on space<\/p>\n
allocation for solar panel installations.<\/p>\n
3.8 All exterior units must have a manufacture\u2019s specification rating while<\/p>\n
operating of 65 db. or less.
\n3.9 Exposed exterior electrical conduit and boxes can run a maximum of 15<\/p>\n
feet and must be painted to match the surface it is attached to.<\/p>\n
3.10 Chaseway Requirements:<\/p>\n
A. Exterior Chaseways:<\/p>\n
1<\/p>\n
All exterior components that connect the exterior unit to<\/p>\n
the interior unit must be encased in a single, half round,<\/p>\n
square or rectangular sheet metal two-piece chaseway.<\/p>\n
Chaseway to be painted to match the color of the wall to<\/p>\n
which it is attached.<\/p>\n
\ubb3c<\/p>\n
tight<\/p>\n
seals must<\/p>\n
be provided around all<\/p>\n
penetrations.<\/p>\n
The chaseway must be made rodent proof by installing<\/p>\n
wire mesh at the bottom of the chaseway. The use of<\/p>\n
steel wool is not allowed. Pest control expanding foam<\/p>\n
may be installed in addition to the wire mesh as long as<\/p>\n
it is properly trimmed without any<\/p>\n
visible overflow.<\/p>\n
The length of chaseway runs are limited. Vertical: May<\/p>\n
not exceed the minimum length needed to reach the<\/p>\n
ceiling\/attic space of the manor. Horizontal: May not<\/p>\n
exceed a maximum of 15 feet. All chaseway runs must<\/p>\n
be indicated on floorplan and elevations.<\/p>\n
a. Any exceptions will require a variance.<\/p>\n
Cornice Moldings: If cutting of cornice moldings are<\/p>\n
required; removing the effected section of molding,<\/p>\n
cutting the metal flashing at both ends, applying sealant<\/p>\n
under the metal flashing, bending the metal flashing to<\/p>\n
be flush with the wall and fastening the metal flashing in<\/p>\n
place using screws. Apply sealant as needed. Seal the<\/p>\n
cut ends of the cornice moldings.<\/p>\n
\ube44<\/p>\n
Interior Chaseways:<\/p>\n
1<\/p>\n
Components cannot run exposed<\/p>\n
2. Components can be run:<\/p>\n
a. Through attic space<\/p>\n
b<\/p>\n
In wall cavities<\/p>\n
Cc<\/p>\n
Behind crown molding<\/p>\n
3. Exceptions will be subject to review and may require a<\/p>\n
variance.
\n3.11 In no case are any HVAC modifications to leave a manor without a heat<\/p>\n
source.<\/p>\n
4.0<\/p>\n
FORCED AIR CENTRAL SPLIT SYSTEMS<\/p>\n
4.1 Air Handler Requirements:<\/p>\n
A. Attic installation to include installation of attic light and sufficient<\/p>\n
catwalk to equipment to allow for repair or replacement.<\/p>\n
\ube44<\/p>\n
Water Heater Closets: For air handlers installed in water heater<\/p>\n
closets, the closet must be of sufficient size of allow for unit<\/p>\n
servicing and provide for proper ventilation of return air.<\/p>\n
5.0<\/p>\n
MINI SPLIT DUCTLESS SYSTEMS<\/p>\n
5.1 See Section 3.9 for all chaseway requirements.<\/p>\n
6.0<\/p>\n
THRU WALL UNITS<\/p>\n
6.1 Window mounted units are prohibited.<\/p>\n
6.2 All through wall units to have condensate evaporators.<\/p>\n
Exceptions<\/p>\n
subject to review and approval through Manor Alterations plan<\/p>\n
review process.<\/p>\n
6.3 New replacement units to be installed in existing knock-out framed<\/p>\n
areas.<\/p>\n
A. Alternate location requests must be reviewed and approved<\/p>\n
\uadf8\ub9cc\ud07c<\/p>\n
Manor<\/p>\n
Alterations<\/p>\n
through<\/p>\n
plan<\/p>\n
review process.<\/p>\n
Consideration will be given to proximity of adjoining manors and<\/p>\n
overall building aesthetics.<\/p>\n
Units may not be located or project into any walkway, breezeway<\/p>\n
or interior court of a multi-unit building.<\/p>\n
Cc<\/p>\n
In the event an existing sleeve location is not reused:<\/p>\n
1<\/p>\n
The interior opening is to be insulated and patched as<\/p>\n
necessary to maintain the waterproof integrity of the wall.<\/p>\n
Finish to match the existing interior finish.<\/p>\n
The exterior framework and grill can remain.<\/p>\n
Paint to<\/p>\n
match exterior surroundings.
\n7.0<\/p>\n
MAINTENANCE & OWNERSHIP<\/p>\n
7.1 The member is responsible for all direct and<\/p>\n
indirect costs<\/p>\n
associated with HVAC systems modifications and installations.<\/p>\n
7.2 The member is responsible for all costs associated with on-going<\/p>\n
maintenance and appearance of HVAC systems. The mutual at its<\/p>\n
own discretion may undertake any perceived maintenance and<\/p>\n
appearance upkeep and charge the Member if HVAC systems are<\/p>\n
not properly maintained by member.<\/p>\n
7.3 Should it become necessary for ongoing building maintenance, the<\/p>\n
member will be responsible for removal and replacement of HVAC<\/p>\n
systems.<\/p>\n
8.0<\/p>\n
HVAC ROOF PLATFORM DETAILS<\/p>\n
See accompanied details:<\/p>\n
8.1 Wood Frame Platform<\/p>\n
8.2 Johns Manville Detail
\n8.1<\/p>\n
3-6″<\/p>\n
MAX<\/p>\n
r\u2014Tie Down Straps<\/p>\n
Per U.B.C. \/ U<\/p>\n
c<\/p>\n
Unit to Rest on<\/p>\n
Vibration Dampers<\/p>\n
SECTION<\/p>\n
HVAC<\/p>\n
SCALE: 1″=1’0″<\/p>\n
HVAC2.DWG REV. 12\/95<\/p>\n
ROOFING NOTES<\/p>\n
SPUD EXISTING ROOF AREA AROUND PLATFORM<\/p>\n
A MINIMUM OF 2 FEET AWAY FROM EACH SIDE.<\/p>\n
PRIMER PLATFORM SIDES, CANT STRIP, AND<\/p>\n
SPUDED SURFACE W\/ CON PRIME AT THE RATE 1gal per 100 SQ.FT<\/p>\n
ROOF AS FOLLOWS PER 100 SQ.FT.<\/p>\n
22lbs<\/p>\n
PER 100 SQ.FT.<\/p>\n
CONPLY TYPE A\u2014IV(2LAYERS) . .<\/p>\n
HMP ASPHALT (PLIES)<\/p>\n
60lbs<\/p>\n
PER 100 SQ.FT.<\/p>\n
CONCAP (1 LAYER<\/p>\n
75lbs<\/p>\n
PER 100 SQ.FT.<\/p>\n
HMP ASPHALT (SURFACE)<\/p>\n
25lbs<\/p>\n
PER 100 SQ.FT.<\/p>\n
GRAVEL (1\/4″<\/p>\n
1\/2″)<\/p>\n
400lbs<\/p>\n
PER 100 SQ.FT.<\/p>\n
26 GAUGE SEAMLESS GALV. METAL CAP (MIN.<\/p>\n
ATTACH TO PLATFORM W\/ CONST. ADHESIVE, NO NAILS OR SCREWS<\/p>\n
ATTACH PER U.B.C.<\/p>\n
3\/4″ CDX PLYWOOD (MIN.)<\/p>\n
2×6 @ 16″<\/p>\n
0.C.<\/p>\n
ATTACH PER U.B<\/p>\n
gg<\/p>\n
20 Qn<\/p>\n
-1<\/p>\n
~\uc5d0<\/p>\n
G.I. GRAVEL STOP<\/p>\n
|<\/p>\n
fr<\/p>\n
y<\/p>\n
\uc5d0\uc774<\/p>\n
\ub098<\/p>\n
\ub098<\/p>\n
\u00a7<\/p>\n
4_Qn<\/p>\n
30<\/p>\n
CANT STRIP NAILED 12\u2019<\/p>\n
[o<\/p>\n
EXISTING ROOFING PLYS<\/p>\n
EXISTING PLYWOOD ROFF SHEATHING<\/p>\n
TRUSS DIRECTION<\/p>\n
FIELD VERIFY<\/p>\n
HVAC ROOFTOP PLATFORM<\/p>\n
SCALE:<\/p>\n
1<\/p>\n
= =o”
\n8.2<\/p>\n
EQUIPMENT FLASHING BY OTHERS<\/p>\n
(MAY INCLUDE HVAC EQUIPMENT,<\/p>\n
SKYLIGHTS, ROOF HATCHES, ETC.)<\/p>\n
1<\/p>\n
APPROPRIATE FASTENERS AT 6″ (152 mm) O.C.<\/p>\n
INSTALL EPDM MEMBRANE UP<\/p>\n
AND OVER TOP OF CURB<\/p>\n
\u2018WOOD CURB<\/p>\n
JM EPDM MEMBRANE ADHERED TO<\/p>\n
WALL WITH JM APPROVED MEMBRANE<\/p>\n
ADHESIVE (SEE DETAIL E-FW-M1),<\/p>\n
IM EPDM MEMBRANE ADHERED<\/p>\n
JM EPDM MEMBRANE ADHESIVE<\/p>\n
(FOR ADHERED SPECIFICATIONS ONLY)<\/p>\n
JM EPDM MEMBRANE ADHERED<\/p>\n
OR MECHANICALLY FASTENED<\/p>\n
JM APPROVED FASTENER AND PLATE PENETRATION<\/p>\n
DEPENDANT ON DECK MATERIAL(S;<\/p>\n
SEE SPECIFICATIONS FOR FURTHER INFORMATION<\/p>\n
IM EPDM 6″ SEAM TAPE<\/p>\n
WITH 1\/8″ TO 1\/4″ EXPOSED<\/p>\n
SEE DETAILS E-MS-03 & E-MS-04 FOR<\/p>\n
25 & 30 YEAR MEMBRANE SIDE LAP &<\/p>\n
T-JOINT FASTENING METHODS<\/p>\n
JM EPDM TAPE PRIMER<\/p>\n
SEE NOTE 5<\/p>\n
Cw ww ww<\/p>\n
\u2014\u2014\u2014\u2014\u2014<\/p>\n
a \u2014\u2014<\/p>\n
TIO}<\/p>\n
3108″<\/p>\n
(76 mm TO 203 mm MAX.<\/p>\n
APPROVED DECK<\/p>\n
0)<\/p>\n
NOTES:<\/p>\n
REFER TO JOHNS MANVILLE WEBSITE (www.jm.com) FOR MOST UP-TO-DATE INFORMATION<\/p>\n
PLEASE SEE SINGLE PLY FLASHING SPECIFICATIONS FOR A FULL DESCRIPTION OF INSTALLATION INSTRUCTIONS AND<\/p>\n
REQUIREMENTS WHICH ARE CONSIDERED A PART OF THIS DETAIL.<\/p>\n
ANY CARPENTRY OR METAL WORK SHOULD BE DESIGNED AND CONSTRUCTED IN ACCORDANCE WITH LOCAL CODE REQUIREMENTS<\/p>\n
AND\/OR PROJECT SPECIFICATIONS. THESE COMPONENTS SHOULD BE REVIEWED AND APPROVED BY A LICENSED DESIGN<\/p>\n
PROFESSIONAL.<\/p>\n
HEIGHT OF CURB TO BE ADJUSTED WITH NAILERS. IT IS PREFERRED TO RAISE CURB ONTO NAILERS TO EXTEND FLASHING HEIGHT.<\/p>\n
JM EPDM TAPE PRIMER OR JM SINGLE PLY MEMBRANE PRIMER (LOW VOC) MUST BE APPLIED ON ALL SURFACES COMING INTO<\/p>\n
CONTACT WITH JM EPDM PEEL & STICK PRODUCTS. ROLL MEMBRANE WITH HAND ROLLER UNDER PRESSURE AT SEAM.<\/p>\n
1\/8″ TO 1\/4″ OF EPDM SEAM TAPE MUST BE EXPOSED.<\/p>\n
7.<\/p>\n
REINFORCED JM EPDM MEMBRANE IS REQUIRED FOR MECHANICALLY FASTENED INSTALLATIONS ONLY.<\/p>\n
8.<\/p>\n
SEE E-FW-B DETAILS FOR JM APPROVED BASE FLASHING TIE IN TERMINATION METHODS.<\/p>\n
DRAWING NO.<\/p>\n
WOOD CURB BASE FLASHING<\/p>\n
E FC 12 MEMBRANE TYPE:<\/p>\n
is 2 mandacrer of commer ooking products and<\/p>\n
NEW DETAIL<\/p>\n
JM EPDM<\/p>\n
orn om opr<\/p>\n
SUE DATE | MAXIMUM GUARANTEE TERM:<\/p>\n
SH 7 a<\/p>\n
By<\/p>\n
30 YEAR<\/p>\n
oft design of tls bung<\/p>\n
of oran<\/p>\n
\ub610\ub294<\/p>\n
SE<\/p>\n
CER<\/p>\n
== J<\/p>\n
NTs |= 8<\/p>","protected":false},"author":2,"featured_media":0,"template":"","document_category":[1075,1740],"document_type":[53],"class_list":["post-18601","document","type-document","status-publish","hentry","document_category-architectural-standards-operating-rules-third","document_category-third-architectural-standards-ma","document_type-other"],"acf":{"document":68926,"resolutions":null,"legacy_id":"","pdf_extracted_text":""},"yoast_head":"\n