compton prop 39_abridged

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5200 E. La Palma Ave., Anaheim, CA 92807 Telephone: (714) 693-2277 [email protected] P a g e | 1

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Bunche Middle School

Buildings / Current HVAC systems

A: Administration / packaged rooftop units

B: Classrooms / split systems with additional cassettes at computer lab.

C: Classrooms / split systems

D: Classrooms / split systems

E: Classrooms / packaged rooftop units

F: Girls locker room / unit heaters

G: Boys locker room / unit heaters

H: Cafeteria / unit heater & heating ventilator

J: Music room / packaged rooftop units with cassettes at computer lab

K: Art & science classrooms / packaged rooftop units

L: classrooms / split systems

Summary of Areas of Concern:

• Low airflow at Administration building, particularly the Principal and vice principal offices. This is most likely due to

the length of ductwork and the distance from the rooftop unit.

• The insulation at the refrigerant lines for the rooftop condensers is in poor condition and should be replaced.

• Thermostats need to be moved away from heat sources, away from obstructions, and closer to the return grilles.

The thermostats for the Reznor unit heaters are attached to the unit, and not at the locations called for on the

mechanical plans.

• The roof penetrations and roof curbs show signs of water damage and should be replaced.

• The supply fans providing make-up air for the split system furnaces have filters that need to be replaced.

• The thermostats for the Reznor unit heaters at building D need to be placed at the locations indicated on the

mechanical plans.

Overall Campus Site Assessment:

The Administration building has two rooftop packaged units conditioning the interior (see figure 1). The classrooms are

mostly conditioned using split systems, with the forced air unit suspended within the ceiling space; the fau and

ductwork are in good condition (see figure 2). These split systems replaced old gas furnaces that were ducted into the

classrooms. There is no hot water at the locker rooms, and the boilers at that building are no longer operational (see

figures 3 & 4). The packaged rooftop units at other classrooms are in good condition and are high efficiency models.

The classroom space at building J has been reconfigured, but kept the same square footage. There are (8) Carrier

cassette units within building J. The rooftop unit and heat condensers are in good condition (see figure 5). Building K

has a roof top packaged unit conditioning the space which is in good condition. At building D the Reznor unit heaters at

the showers and lockers have their thermostats attached to the unit, and not at the locations shown on the

mechanical plans. Building L contains a 30 gallon water heater that is almost 30 years old, and it should be replaced.

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List of equipment to consider replacing

Bldg A, Administration

Equipment

Tag/Description Mfg. & Model #

Building

Location Rooms Serviced

Total

quantity

Approximate age &

condition

heat pump Turbo Air,

TAS-12V/O roof Principal rm 1 2004, poor

indoor wall mount Turbo Air,

TAS-12V roof Principal rm 1 2004, poor

Bldg F, Girls Locker Rm

Equipment


Building


Total

quantity

Approximate age &

condition

UH/1 Reznor F50-E-3

susp

from

ceiling

offices and locker

area 4 2003, poor

UH/2 Reznor B50

susp

from

ceiling

Corrective rm 2 2003, poor

Bldg G, Boys Locker Rm

Equipment


Building


Total

quantity

Approximate age &

condition

UH/1 Reznor F50-E-3

susp

from

ceiling

offices and locker

area 4 2003, poor

UH/2 Reznor B50

susp

from

ceiling

Corrective rm 2 2003, poor

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Building H, Cafeteria

Equipment


Building


Total

quantity

Approximate age &

condition

UH/2 Reznor B50 heater

rm Faculty dining H116 1 2003, poor

HV/1 Reznor HXE300 heater

rm main dining area 1 2003, poor

Building K, (2) classrooms. Art & Science

Equipment


Building


Total

quantity

Approximate age &

condition

PAC/3 Carrier,

48HJD014-561HE Roof K111, K112 1 2003, poor

Bldg A, Administration, teachers’ lounge

Equipment


Building


Total

quantity

Approximate age &

condition

Principal office

indoor unit Turbo Air, TAS-12VH A105 A105 1

2007, poor, dripping

condensate.

Building B, (6) Classrooms

80 gal water heater American Appliance,

mdl #484 janitor rm bathrooms 1

unknown. Not

operational

Building F,

40 gal water heater Day & Night, 40JS-4 janitor rm bathrooms 1 unknown. Poor

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Building J, 3 classrooms. No AC, rooms contain abandoned wall mount units.

Equipment


Building


Total

quantity

Approximate age &

condition

75 gal water heater Automatic Storage,

PR6 75 NRRT970 heater rm NA 1 1996, poor

1

2

3

4

5

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Compton High School

Buildings / Current HVAC systems

A: Classrooms, Administration, & Auditorium / 4 pipe fan coils, multi-section air handler

B: Cafeteria / No HVAC systems shown on plans.

D: Channel 26 rooms, and admin rooms / packaged rooftop units, unit heaters

E: Classrooms / packaged rooftop units

F: Classrooms / packaged rooftop units

G: Classrooms / packaged rooftop units

H: Classrooms / split systems

J: Computer Labs / packaged rooftop units

K: Music Rooms / split systems

M: Gymnasium and lockers / duct furnaces with exhaust system

Q: classrooms / Reznor furnace

R: Classrooms / split systems

S: woodshop and classrooms / split systems

W: Classrooms / packaged rooftop units

X: Classrooms / packaged heat pump

Y: Classrooms / packaged heat pump

Z: Classrooms / packaged rooftop unit


• The wall mounted hydronic units on levels 1 and 2 of building A are old, damaged, and in many places non-

operational.

• The original hydronic system at building A may not be designed to handle the additional load from the basement

hydronic fan coils that were installed at a later date.

• The multi-section air handler that conditions the Auditorium space of building A is almost 20 years old and is in

poor condition.

• The ductwork in the basement mechanical room of building A is old, the filters are missing, and the joints have

come loose. There is also about an inch of water in some areas of the mechanical room.

• The rooftop packaged units and unit heaters for building ‘D’ are in poor condition. There is also an unidentified

rooftop unit that is iced over at the roof penetration.

• HVAC systems at the Gym are old and could be updated.


The main campus building ‘A’ is served by (3) different types of hydronic systems: ceiling fan coils, wall mounted

hydronic units (see figure 1), and a multi-section air handling unit (see figure 2). All equipment is almost 20 years old.

The building consists of a basement, level 1 and level 2. The chillers (see figure 3) are used with (2) boilers located in

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the basement (see figure 4). The basement classrooms are conditioned by ceiling fan coil units, and the first and

second floors are conditioned using wall mounted hydronic units. The Auditorium (see figure 5) is served by the air

handling unit located in the basement. The wall mounted units on levels 1 and 2 are in poor condition, and many of

them are not operational (see figure 6). The ductwork in the basement mechanical room which is part of the

Auditorium system is old, the filters are missing, and the joints have come loose. There is also about an inch of water in

some areas of the mechanical room.

Buildings K, H, R, and S are conditioned using Carrier 94% AFUE split systems with condensing units on the roof or on

grade. The split systems are for the most part in good working condition (see figures 7, 8), but some areas require

maintenance (see figures 9, 10). There is also no EMS systems at the school campus, with most thermostats having

twist timers (see figure 11). Buildings E, F, G, J, W and Z are conditioned using Carrier 82% AFUE rooftop packaged

units. The rooftop equipment at these buildings is about 10 years old and looks to be in good condition (see figures 12,

13, & 14). The rooftop equipment at building D is older (1999) and in poor condition (see figures 15, 16). There is also a

single packaged system that is damaged; it is iced over at the roof penetration and should be removed (see figure 17)

Building D also contains unit heaters at the radio station room; these look to be either damaged or not operating as

intended (see figure 18). Buildings X and Y are conditioned using heat pumps located grade and ducted into the

classrooms. These systems are in good condition (see figure 19). The Gymnasium building ‘M’ is conditioned using (6)

duct furnaces, each at 400 MBh, and cabinet fans. There is also an exhaust system which provides for ventilation (see

figure 20).

The main problem at this campus is with the building ‘A’ HVAC systems. The wall mounted hydronic units on levels 1

and 2 are old, damaged and in many places non-operational. The earliest design drawings show these wall mounted

units, but no systems at the basement level. A later set of drawings shows the hydronic fan coils at the basement

classrooms, but the same chiller as before, and the same boilers. It is very likely that the original hydronic system was

not able to handle the additional load from the basement hydronic fan coils. The multi-section air handler that

conditions the Auditorium space is almost 20 years old and is in poor condition. The duct connections at the basement

level are loose in several places, particularly the return side. The ductwork on the supply side is completely open, and

the ductwork is dirty inside. Several classrooms and administration rooms are using small electric packaged units

where the hydronic systems are no longer working. It was not clear how the library space is conditioned, since the

hydronic units there are not operational. The mechanical room itself needs to be cleaned out, and requires general

maintenance work because there have been unauthorized visitors to the mechanical room (see figures 21, 22, & 23).

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Building A Classrooms, library, and admin rms

Equipment

Tag/Description

Mfg. & Model # Building

Location

Rooms Serviced Total

quantity

Approximate age &

condition

G/03: wall mount

hydronic unit

Carrier, 42VBA03

Levels 1 & 2

Classrooms, Library

& admin rms

6

1997, poor & some

not operational

G/06 42VBA06 Levels 1 & 2 Classrooms, Library

& admin rms

4 1997, poor & some

not operational

G/08 42VBA08 Levels 1 & 2 Classrooms, Library

& admin rms

8 1997, poor & some

not operational

G10 42VBA010 Levels 1 & 2 Classrooms, Library

& admin rms

5 1997, poor & some

not operational

G12 42VBA012 Levels 1 & 2 Classrooms, Library

& admin rms

9 1997, poor & some

not operational

AH/1: Multi-

section air handler

Carrier, 39NX49 Bsmnt mech

rm

Auditorium 1 1997, poor.

Connecting ductwork

damaged & dirty,

filters missing.

HB/1 & HB/2:

Boiler

LAARS, PH-1430-I-N-

09-L

bsmnt mech

rm

L1, L2, & basement

hydronic systems

2 Poor

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P/1 thru P/4:

Water pumps

B&G, 1510 3E, 11-

1/4" BF

Bsmnt mech

rm

L1, L2, & basement

hydronic systems

4 Poor

Building D Admin rms, and channel 26 office space

Equipment


Building


Total

quantity

Approximate age &

condition

Rooftop packaged

unit Goodman, PHK036 Roof

Classrooms/admin

rms 2 1997, poor

Rooftop packaged

unit

Carrier, 48GS-

060090301 Roof

Classrooms/admin

rms 4 1999, poor

Unit Heater Utility, UHF-90 Channel

26 rm Channel 26 rms 3 1995, poor

Building M, Gym

Equipment


Building


Total

quantity

Approximate age &

condition

Duct Furnace, 400

MBh each unknown

Gym

roof/

dropped

ceilng

gym 6 unknown

The Gym system is similar if not identical to those found at Centennial High & Dominguez High. Unfortunately no

more information on the Gym systems could be located for any school.

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1 2

3 4

5 6

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7 8

9

10

11

12

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13

14

15

16

17

18

19

20

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21

22

23

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Davis Middle School

Building Sections / Current HVAC systems

A: Girls and Boys Shower & Locker, and Cafeteria / Octagon multi-zone units, heating ventilators

B: Classrooms / Octagon multi-zone units

C: Classrooms, computer labs, and bathrooms / Octagon multi-zone units

D: Main Cafeteria dining room, stage, and music rooms / Octagon multi-zone units, heating ventilators

E: Library / Octagon multi-zone units

F: Administration / Octagon multi-zone units

G: Classrooms, woodshop & metal shops (now storage rooms) / Octagon multi-zone units, heating ventilators

H: Classrooms and bathrooms / Octagon multi-zone units

J: Classrooms / Octagon multi-zone units


• HVAC system is controlled remotely; there are no usable thermostats inside any of the classrooms. The main

control system at the site or any remote temperature probes at the classrooms could not be located.

• The rooftop equipment is in poor condition with filters missing, access panels that have been forced open and

rusted/broken equipment isolation frames.

• The metal shop and wood shop have been turned into storage space, and the rooftop heating ventilation units

serving this space are oversized for this application.

• Octagon and Weather-Rite rooftop units need to be replaced with newer, high-efficiency systems.

• Boilers and storage tank at section A that previously supplied hot water to the kitchen and showers are not

operational. The kitchen currently has hot water through the use of (2) 100 gallon water heaters.


The campus is divided into (9) sections, and the HVAC system is controlled remotely; there are no usable thermostats

inside any of the classrooms. The classrooms and other areas are conditioned using Octagon packaged multi-zone

units, and Weather-Rite heating ventilators (see figures 1, 2, and 3). Both types of systems are over 15 years old and

existed before the most recent modernization in which the existing ductwork and registers were replaced, but the

thermostats were reused. At some point after the most recent modernization the thermostats were removed from

each classroom and replaced with remote temperature sensors. The facility personnel informed us that the

mechanical equipment operation is now controlled remotely; however the remote temperature sensors or any sort of

central control panel could not be located.

The rooftop equipment is in poor condition with filters missing, access panels that have been forced open and

damaged equipment isolation frames. The boilers and water storage tank in section ‘A’ room A121 are in poor

condition, and are not operational; the insulation at the storage tank is also falling apart (see figures 4 & 5). Within that

boiler room there are (2) water heaters that are in good condition (see figure 6). The water heaters provide hot water

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to the locations the kitchens; there is no information about anything within the boiler room on the mechanical plans or

the plumbing plans that were available for review.

The metal shop and wood shop rooms have been converted to storage space. The dust collector for the wood shop is

not operable and not connected to the building. The bathrooms on the campus have hot water through the use of 12

gallon water heaters and instant water heaters (see figures 7 & 8); the boys and girls showers do not have hot water.

The Octagon and Weather-Rite rooftop units need to be replaced with higher efficiency systems or perhaps there is

the option to repair them. Both types of systems are at least 15 years old, and the Octagon multi-zone units are likely

older, but an installation date could not be found. The Octagon units have panels that have been forced open and

exposed internal components. The boilers and hot water storage tank in boiler room A121 are not working, and the

tank insulation is falling apart. There are no usable thermostats inside the classrooms or anywhere on the campus. The

HVAC systems are controlled remotely, but we were unable to locate the main control system at the site or any

remote temperature probes at the classrooms. The metal shop and wood shop have been turned into storage space,

and the rooftop heating ventilation units serving this space are oversized for this application.


Section A Girls & Boys showers/locker, Kitchen

Equipment


Building


Total

quantity

Approximate age &

condition

AC/4: Rooftop

packaged multi-zone

unit

OCTAGON, OAS-

021T-07C-0250G-MZ Roof Classrooms 1 1998, poor.

HV/1, HV/2, HV/3:

Heating Ventilation

unit

Weather-Rite:

TOT218HHR Roof

Lockers rooms, and

Kitchen 3

1998, poor.

Missing/dirty filters,

damaged vib-iso

LAARS Boilers, No tag No TAG boiler

rm A121

Previously supplied

Kitchen & Showers 2

age unknown.

Poor/not operating

Hot water storage

tank No TAG

boiler

rm A121

Previously supplied

Kitchen & Showers 1

age unknown. Not

operating. Insul

falling off

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Section B 15 classrooms

Equipment


Building


Total

quantity

Approximate age &

condition

AC/1 OCTAGON, OAS-

020T-06C-025G-MZ Roof Classrooms 1 1998, poor

AC/2 OCTAGON, OAS-


AC/3 OCTAGON, OAS-


AC/5 OCTAGON, OAS-


Section C 12 classrooms, Bathrooms

Equipment


Building


Total

quantity

Approximate age &

condition

AC/6 OCTAGON, OAS-


AC/7 OCTAGON, OAS-


Section D

Stage, Music rms, &

Lunch area

Equipment


Building


Total

quantity

Approximate age &

condition

AC/8 OCTAGON, OAS-

022T-08C-0250G-MZ roof

stage and music

rooms 1 1998, poor

HV/4 Weather-Rite,

TOT213HHR roof Lunch area 1 1998, poor

HV/5 Weather-Rite,


HV/6 Weather-Rite,


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Section E Library

Equipment


Building


Total

quantity

Approximate age &

condition

AC/9 OCTAGON, OAS-

023T-09C-0250G-MZ roof

stage and music

rooms 1 1998, poor

Section F Admin bldg

Equipment


Building


Total

quantity

Approximate age &

condition

AC/10 OCTAGON, OAS-

018T-07C-0250G-MZ roof Admin rms 1 1998, poor

Section G

Equipment


Building


Total

quantity

Approximate age &

condition

AC/11 OCTAGON, OAS-

016T-06C-0250G-MZ roof classrooms 1 1998, poor

AC/12 OCTAGON, OAS-


HV/7 Weather-Rite,

TOT218HHR roof storage rms 1 1998, poor

Section H

13 classrooms,

Bathrooms

Equipment


Building


Total

quantity

Approximate age &

condition

AC/13 OCTAGON, OAS-


AC/14 OCTAGON, OAS-


AC/15 OCTAGON, OAS-


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Section J 15 classrooms

Equipment


Building


Total

quantity

Approximate age &

condition

AC/16 OCTAGON, OAS-


AC/17 OCTAGON, OAS-


AC/18 OCTAGON, OAS-


1

2

3

4

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5

6

7

8

compton prop 39_abridged

Documents

packaged unit

packaged rooftop units

administration building

reznor unit heaters

classrooms split systems

classrooms split systems

building j

rooftop units f