2402303 SSLGC Booster PS HVAC Improvements-DETAILS.pdf

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Attached to
SSLGC Booster PS HVAC Improvements
Solicitation number
AF-2025-63
Issued by
Grimes County, Texas

About this file

These are the standard details and technical drawings for the SSLGC Booster PS HVAC Improvements project for the Schertz-Seguin Local Government Corporation in Seguin, Texas, prepared by Garver (Project No. W07-2402303) in June 2025. The technical drawings provide detailed specifications for various HVAC system components, including:

  1. Equipment base details with specifications for concrete foundations and anchor bolt requirements
  2. Duct hanger support beams and wall-mounted vertical duct supports
  3. Condensate drain details for traps under positive and negative pressure
  4. Condensate drain dry well construction
  5. Ground-mounted air conditioning unit installation details

The drawings include precise technical specifications such as pipe sizing parameters, minimum clearance requirements, gravel volume specifications, and installation guidelines for mechanical and electrical components. The technical details are designed to ensure proper installation, support, and functionality of the HVAC system components for the Schertz-Seguin Local Government Corporation facility in Seguin, Texas.

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Text version

Prepared For:

Schertz – Seguin

June 2025

STANDARD DETAILS

ISSUED FOR BID

FOR THE CONSTRUCTION OF

SSLGC BOOSTER PS HVAC IMPROVEMENTS

LOCAL GOVERNMENT CORPORATION

SEGUIN, TEXAS

GARVER PROJECT NO. W07-2402303

1.

2.

3.

4.

EQUIPMENT BASE NOTES:

PAD SIZE SHALL BE MINIMUM INDICATED OR AS SHOWN

ON THE PLANS. VERIFY ALL PAD SIZE REQUIREMENTS

WITH SHOP DRAWINGS OF ACTUAL EQUIPMENT

FURNISHED AND OBTAIN ENGINEER'S APPROVAL OF

FINAL DIMENSIONS.

THE SIZE, NUMBER, TYPE, LOCATION, AND THREAD

PROJECTION OF THE ANCHOR BOLTS SHALL BE

DETERMINED BY THE EQUIPMENT MANUFACTURER,

AND SHALL BE AS APPROVED BY THE ENGINEER.

ANCHOR BOLTS SHALL BE HELD IN POSITION WITH A

ONE PIECE TEMPLATE, MATCHING THE BASE PLATE,

WHILE PAD IS BEING POURED.

ANCHOR BOLT A MINIMUM MOVEMENT OF 1/2" IN ALL

DIRECTIONS. THE MINIMUM SLEEVE LENGTH SHALL BE

8 TIMES THE BOLT DIAMETER. SLEEVES SHALL BE

FILLED WITH NON-SHRINK GROUT.

ANCHOR BOLT SLEEVES SHALL HAVE A MINIMUM

INTERNAL DIAMETER 1" GREATER THAN BOLT

DIAMETER AND A MAXIMUM INTERNAL DIAMETER 3"

GREATER THAN ANCHOR BOLT DIAMETER. SLEEVES

SHALL BE FILLED WITH NON-SHRINK GROUT.

5. EQUIPMENT BASES SHALL BE INSTALLED LEVEL UNLESS

SPECIFIED OTHERWISE.

6. WEDGES OR SHIMS SHALL BE USED TO SUPPORT THE BASE WHILE

THE NON-SHRINK GROUT IS PLACED. TEMPORARY LEVELING NUTS

SHALL BE BACKED OFF. IF LEFT IN THE WEDGES OR SHIMS SHALL

NOT BE EXPOSED TO VIEW.

7. HEIGHT OF PADS SHALL BE MINIMUM REQUIRED FOR ANCHOR

BOLT CLEARANCE TO KEEP ANCHOR BOLT OUT OF SLAB (SEE

TABLE BELOW). WHERE EQUIPMENT OR PIPING ELEVATION

REQUIRE A PAD HEIGHT LESS THAN THE MINIMUM SHOW, USE

TYPE B WITH BLOCKOUT.

8. TYPE "D" PADS MAY BE SUBSTITUTED FOR TYPE "A" PADS FOR

LOCATIONS APPROVED IN WRITING BY THE ENGINEER.

9. SEE ANCHOR BOLT AND BLOCKOUT DETAILS.

ANCHOR BOLT DIA (IN.)

MIN PAD HT (IN.)

1/2 5/8 3/4 7/8 1 1 1/4 1 3/8 1 1/2 1 3/4 2

24211816 1/21512 1/211108 1/27

EQUIPMENT BASE

1 1/2" FLUID NON-

SHRINK GROUT (TYP)

MINIMUM ANCHOR BOLT

DIMENSIONS, SEE NOTES &

ANCHOR BOLT DETAILS

TOOLED EDGE (3/4")

#5 AT 12"

10"

10"

MIN 4 PER

BASE

SUSPENDED SLAB OR

SLAB ON GRADE, FOR

THICKNESS SEE PLANS

CONSTRUCTION JOINT,

LEAVE ROUGH AND CLEAN

1.

2.

NOTES:

SEE EQUIPMENT BASE NOTES.

SEE TYPE B NOTES.

TYPE A

2" MIN ALL AROUND

#5 AT 12" (TYP)

2" CLR

SE

E

N O

TE

1" C

LR 10"

1.

2.

NOTES:

SEE EQUIPMENT BASE NOTES.

USE TYPE B BASE IN PLAVE OF TYPE A WHERE REQUIRED BY

EQUIPMENT OR STUCTURE GEOMETRY. SEE NOTE 8.

TYPE B

SEE ANCHOR BOLT,

BLOCKOUT DETAIL

CONSTRUCTION JOINT,

LEAVE ROUGH AND CLEAN

1 1/2" FLUID NON-

SHRINK GROUT (TYP)

EQUIPMENT BASE

MINIMUM ANCHOR BOLT

DIMENSIONS, SEE NOTES

& ANCHOR BOLT DETAILS

TOOLED EDGE (3/4")

ANCHOR BOLT

SLEEVE (TYP)

#5 AT 12"

MIN (4) PER BASE

SUSPENDED SLAB OR

SLAB ON GRADE, FOR

THICKNESS, SEE PLANS

SE

E

N O

TE

1/

2" C

LR

2" MIN ALL AROUND

1 1/2" CLR

#5 AT 12" (TYP)

1.

2.

3.

NOTES:

SEE EQUIPMENT BASE NOTES.

ANCHOR EQUIPMENT TO CONCRETE USING SST CONCRETE ANCHORS

OR ANCHOR BOLTS SPECIFIED

PAD SHALL BE 6" LARGER THAN EQUIPMENT ON ALL SIDES UNLESS

NOTED OTHERWISE OR AS REQUIRED BY EQUIPMENT MANUFACTURER.

TYPE C

CONSTRUCTION JOINT

LEAVE ROUGH

PAD HEIGHT AS

REQUIRED, 5" MAX

ELEVATED SLABS,

10" MAX AT SLABS

ON GRADE

EQUIPMENT BASE

TOOLED EDGE (3/4")

SUSPENDED SLAB OR

SLAB ON GRADE, FOR

THICKNESS, SEE PLANS

#5@12" 10"

10"

PA

D

H

EI

G H

T

#5 AT 12", 1-1/2" CLR.

EQUIPMENT BASE

1 1/2" FLUID NON-

SHRINK GROUT (TYP)

MINIMUM ANCHOR BOLT

DIMENSIONS, SEE NOTES

& ANCHOR BOLT DETAILS

TOOLED EDGE (3/4")

#5 AT 12"

EXISTING SUSPENDED SLAB

OR SLAB ON GRADE, FOR

THICKNESS, SEE PLANS

2" MIN ALL AROUND

PA

D

H

EI

G H

T

1/

2" C

LR

(2) #4 TIE BARS

#5 AT 12"

IN EPOXY

ANCHOR

12"

1 1/2" CLR

MECHANICALLY ROUGHEN

CONTACT SURFACE TO FULL

1/4" AMPLITUDE, CLEAN PRIOR

TO POURING NEW CONCRETE

FOR MIN PAD

HEIGHT SEE

EQUIPMENT BASE

NOTE 8 AND TABLE

SLEEVE

TYPE D 1.

NOTE:

SEE EQUIPMENT BASE NOTES.

1/

2" C

LR

PAD HEIGHT AS

REQUIRED, 3 1/2"

MIN 8" MAX

#4 AT 12" IN

EPOXY ANCHORS

ROUGHEN SURFACE OF

EXISTING CONC. SLAB TO FULL

1/4" AMPLITUDE. CLEAN PRIOR

TO POURING NEW CONC.

EXISTING CONC. SLAB

EQUIPMENT BASE #4 AT 12", 1" CLR FOR

SLABS LESS THAN 4"

THICK, #5 AT 12, 1 1/2"

CLR FOR SLABS

THICKER THAN 4"

PA

D

H

EI

G H

T

8"

NOTE:

1. ANCHOR EQUIPMENT TO

CONCRETE USING SST

CONCRETE ANCHORS SPECIFIED.

TYPE E

6" TYPICAL UNLESS

NOTED OTHERWISE ON

PLANS OR AS REQUIRED

BY THE EQUIPMENT

MANUFACTURER

CONCRETE ANCHOR BOLTS

OR ANCHORS AS DESIGNED

AND AS RECOMMENDED BY

THE EQUIPMENT MFR.

FINISH GRADE

EQUIPMENTROUND EDGE W/

SHORT RADIUS TOOL

THICKENED EDGE OF

SLAB ALL AROUND

COMPACTED FILL TO

UNDISTURBED FIRM

SUBGRADE, AS SPECIFIED

1.

NOTE:

VERIFY PAD SIZE WITH EQUIPMENT

MANUFACTURER PRIOR TO CONSTRUCTION.

TYPE F

6" (TYP)

3" C

LR

2" C

LR

2'

6" M

IN

#5 AT 12" EW,

TOP AND BOT.

4"

8"

1/

2" C

LR

JOB NO.: DATE:

DIVISION

SECTION - DETAIL NO.

SCHERTZ SEGUIN

SSLGC BOOSTER PS HVAC IMP

SEGUIN TEXAS

W07-2402303 2/19/2025

EQUIPMENT BASE DETAIL

3000-1000

D03

REV DATE DESCRIPTION BY

1/2" NUT

(BOTH SIDES)

1/2" SOLID STEEL ROD

THREAD W/ LOCK

WASHER AND NUT

BEAM OR JOIST

SEE PLAN

ROOF COMPOSITION

1/2" NUT (BOTH

SIDES)

1/2" SOLID STEEL

ROD THREAD EA.

END (ALL THREAD

WILL NOT BE

ACCEPTABLE)

L3x3x3/8 STEEL

ANGLE

1/2" NUT

(BOTH SIDES)

2x2x1/4 PLATE WASHER

(BOTH SIDES)

1/2" NUT

(BOTH SIDES)

2x2x1/4 PLATE

WASHER

COPPER B3147

PIPE ANCHOR

2x2x1/4 PLATE

WASHER, (BOTH

SIDE)

1/2" SOLID STEEL ROD

THREAD EA. END

(ALL THREAD WILL NOT

BE ACCEPTABLE)

L3x3x3/8 STEEL

ANGLE

1/2" NUT

(BOTH SIDES)

2x2x1/4 PLATE

WASHER

SUPPORT PIPE RUN PARALLEL WITH STRUCTURAL SUPPORT

SUPPORT DUCT RUN PERPENDICULAR WITH STRUCTURAL SUPPORT

NOTES:

1. HANGER CLAMP SHALL BE USED IF MINIMUM EDGE SPACING CAN NOT BE ACHIEVED.

2. SEE DETAIL FOR BRACED HANGER SUPPORT AS REQUIRED.

3. MAXIMUM HANGER SPACING SHALL BE 10FT.

D23 0529-003

TYP

2"

1/2" NUT (BOTH SIDES)

L3x3x3/8 ANGLE

2" TYP

ROOF DECK

ROOF COMPOSiTION

ROOF DECK

ROOF COMPOSITION

ROOF DECK

ROOF COMPOSITION

ROOF DECK

L3x3x3/8 ANGLE

BEAM OR JOIST

SEE PLAN

DUCT

SEE PLAN

6" 2"

1/2" SOLID STEEL ROD

THREAD EA. END (ALL

THREAD WILL NOT BE

ACCEPTABLE)

1/2" NUT

(BOTH SIDES)

2x2x1/4 PLATE

WASHER, (BOTH

SIDE)

1/2" SOLID STEEL ROD

THREAD EA. END

(ALL THREAD WILL NOT

BE ACCEPTABLE)

2x2x1/4 PLATE

WASHER

L3x3x3/8 STEEL

ANGLE

BEAM OR JOIST

SEE PLAN

2x2x1/4 PLATE

WASHER

JOB NO.: DATE:

DIVISION

SECTION - DETAIL NO.

DETAIL NOT TO SCALE

SCHERTZ SEGUIN

SSLGC BOOSTER PS HVAC

IMP

SEGUIN TEXAS

W07-2402303 6/13/2025

DUCT HANGER SUPPORT BEAM

0529-001

D23

1. ROUND DUCT SUPPORTS SHALL BE SIMILAR.

2. SPACING OF DUCT SUPPORTS SHALL BE AS FOLLOWS

A. TRANSVERSE BRACING 30' OC MAX

B. LONGITUDINAL BRACING 60' OC MAX

C. TRANSVERSE BRACING SHALL BE INSTALLED AT EACH DUCT BEND AND

EACH END OF A DUCT RUN REGARDLESS OF LENGTH.

D. WALLS, INCLUDING GYP-BOARD NON-BEARING PARTITIONS, WHICH

HAVE DUCTS RUNNING THROUGH THEM MAY REPLACE A TYPICAL

TRANSVERSE BRACE.

3. SEE SPEC. SECTION 05900

NOTES:

FRONT ELEVATION STEEL ANGLES, TYP LEFT SIDE ELEVATION

DUCT

DUCT

7' -0

M

AX

SUPPORT TO

ROOF FRAMING

L3x3x3/8 ANGLES

TYPICAL EACH SIDE

L3x3x3/8

ANGLE

DUCT INSULATION

L 3x3x3/8

3/16"X4" STRAP

W/1/2" BOLT, NUT

AND WASHER

EACH END

1/2" BOLTS

THROUGH

CENTER OF

ANGLES, TYP

LONGITUDINAL

45˚ ANGLES AS

REQUIRED ONE

EACH SIDE

L3x3x3/8

ANGLE, TYP

L3x3x3/8

BRACING

1/

2"

1/ 2"

M

AX

TYP.

2"�

TYP.

6"�

JOB NO.: DATE:

DIVISION

SECTION - DETAIL NO.

DETAIL NOT TO SCALE

SCHERTZ SEGUIN

SSLGC BOOSTER PS HVAC

IMP

SEGUIN TEXAS

W07-2402303 6/13/2025

DUCT SUPPORTS DETAILS

0529-003

C DUCTL

AA

3/16 2 3/16 2

3/16 2 3/16 2

VARIES

3'-0" MAX.

L2.5x2.5x3/8 (TYP)

2"

3/4"∅ CONCRETE

ANCHOR

WITH 5" MIN EMBED

2" °45

TYP BOTH LEGS

PLAN A-A ELEVATION

JOB NO.: DATE:

DIVISION

SECTION - DETAIL NO.

DETAIL NOT TO SCALE

SCHERTZ SEGUIN

SSLGC BOOSTER PS HVAC

IMP

SEGUIN TEXAS

W07-2402303 6/13/2025

WALL MOUNTED VERTICAL DUCT

SUPPORT

0529-004

DUCT, FOR SIZE

SEE PLAN

DUCT STRAP

1 5/8" HOT-DIP

GALVANIZED

UNISTRUT

UNISTRUT P1000 HS

BUILDING WALL, FOR

SIZE SEE PLAN

PROVIDE NEOPRENE

WASHER (PROVIDE

SEPERATION BETWEEN

UNISTRUT AND EXISTING

BUILDING)

1/2" STAINLESS STEEL

EXPANSION ANCHORS

WITH 3" EMBED

JOB NO.: DATE:

DIVISION

SECTION - DETAIL NO.

DETAIL NOT TO SCALE

SCHERTZ SEGUIN

SSLGC BOOSTER PS HVAC

IMP

SEGUIN TEXAS

W07-2402303 6/13/2025

WALL MOUNTED DUCT SUPPORT

DETAIL

0529-005

CAP

FROM

COOLING

COIL

UNION

K

H

L

2" OPEN VENT

UNION

CAP

FROM

COOLING

COIL

UNION

K

H

L

2" OPEN VENT

UNION

1.

NOTES:

SEE DRAWINGS AND SPECS FOR SIZE,

MATERIAL, SLOPE, AND POINT OF DISCHARGE.

TRAP SIZING PARAMETERS:

K = 1/2 INCH MINIMUM

H = 1 INCH PLUS THE TOTAL

FAN STATIC PRESSURE

L = H + K + PIPE DIAMETER

TRAP UNDER POSITIVE PRESSURE

TRAP SIZING PARAMETERS:

K = 1 INCH FOR EACH INCH OF NEGATIVE

PRESSURE* + 1 INCH

H = 1/2 K

L = H + K + PIPE DIAMETER

NEGATIVE PRESSURE* = TOTAL FAN STATIC PRESSURE

TRAP UNDER NEGATIVE PRESSURE

1.

NOTES:

SEE DRAWINGS AND SPECS FOR SIZE,

MATERIAL, SLOPE, AND POINT OF DISCHARGE.

JOB NO.: DATE:

DIVISION

SECTION - DETAIL NO.

DETAIL NOT TO SCALE

SCHERTZ SEGUIN

SSLGC BOOSTER PS HVAC

IMP

SEGUIN TEXAS

W07-2402303 6/13/2025

TYPICAL CONDENSATE DRAIN

DETAIL

7413-002

6" PVC PIPE FILLED

WITH GRAVEL

CONDENSATE DRAIN LINE

FROM AIR HANDLER

CONDENSATE

LINE

FINISHED GRADE

1"

2' - 0" MIN

1'

0" M

IN

1'

0"

M

IN

1" M

IN

1.

NOTES:

GRAVEL TO BE MINIMUM OF 3 CUBIC FEET.

2. MINIMUM 6" OF EXISTING/NATURAL SOIL/DIRT BETWEEN GRAVEL AND

ANY OTHER STRUCTURE

JOB NO.: DATE:

DIVISION

SECTION - DETAIL NO.

DETAIL NOT TO SCALE

SCHERTZ SEGUIN

SSLGC BOOSTER PS HVAC

IMP

SEGUIN TEXAS

W07-2402303 6/13/2025

CONDENSATE DRAIN DRY WELL

7413-003

DISCONNECT SWITCH BY

ELECTRICAL CONTRACTOR.

MAINTAIN CLEARANCES PER NEC.

REFER TO MECHANICAL

DRAWINGS FOR SUPPLY

DUCT AND RETURN DUCT

SIZE AND ROUTING

FLEXIBLE DUCT

TYPE F EQUIPMENT

PAD, SEE DETAIL D03

3000-100

EQUIPMENT PAD

6" MINIMUM

CLEARANCE ALL

AROUND

3/4" CHAMFER

ALL AROUND

FINISHED

GRADE

TYPICAL PACKAGED UNIT

1.

2.

3.

NOTES:

MAINTAIN MINIMUM CLEARANCES AS RECOMMENDED BY EQUIPMENT MANUFACTURER.

VERIFY ALL EQUIPMENT REQUIREMENTS PRIOR TO PERFORMING THE ELECTRICAL INSTALLATION. FUSE

ALL EQUIPMENT PER MANUFACTURER RECOMMENDATION.

ELECTRICAL SHALL CONFORM TO THE REQUIREMENTS IN DIVISION 26.

COORDINATE WITH EQUIPMENT

VARIES

SEE NOTE 1

MINIMUM CLEARANCE

JOB NO.: DATE:

DIVISION

SECTION - DETAIL NO.

DETAIL NOT TO SCALE

SCHERTZ SEGUIN

SSLGC BOOSTER PS HVAC

IMP

SEGUIN TEXAS

W07-2402303 6/13/2025

GROUND MOUNTED AIR

CONDITIONING UNIT DETAIL

7413-004

D23/0529-001 - DUCT HANGER SUPPORT BEAM
D23/0529-003 - DUCT SUPPORTS DETAILS
D23/0529-004 - WALL MOUNTED VERTICAL DUCT SUPPORT
D23/0529-005 - WALL MOUNTED DUCT SUPPORT DETAIL
D23/7413-002 - TYPICAL CONDENSATE DRAIN DETAIL
D23/7413-003 - CONDENSATE DRAIN DRY WELL
D23/7413-004 - GROUND MOUNTED AIR CONDITIONING UNIT DETAIL
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