5 20260310_Palmer_Courthouse_CD_Add_1.pdf.crdownload
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- Attached to
- Palmer Courthouse Expansion Construction
- Solicitation number
- Not on record
- Issued by
- Matanuska-Susitna Borough, Alaska
About this file
This is an addendum to construction drawings for the Palmer Courthouse Renovation and Expansion project issued by the Alaska Court System. The addendum, dated March 10, 2026, provides detailed plumbing and gas piping specifications for the courthouse renovation and expansion located at 515 East Dahlia Avenue, Palmer, Alaska. The project scope encompasses renovation of the Palmer State Office Building basement, construction of a new modular structure for a Jury Assembly Room, renovation of existing spaces into District Courtrooms and hybrid courtrooms, and renovation of offices into Superior Court Chamber Space. The technical drawings included specify pressurized water system configurations, piping requirements for fixtures including water closets, lavatories, sinks, mop sinks, and drinking fountains, with pipe sizing detailed as 1/2-inch to 2-inch domestic cold water and domestic hot water lines. Gas piping schematics detail a 500 CFH gas system supplied by EnStar with manifolds designated B-M-1 and B-M-2, pressure regulators, drip legs, and low-pressure equipment specifications. Key design criteria require gas pressure regulation per NFPA 54 standards with minimum supply pressure of 8.0 inches water column and maximum 3.0 inches water column pressure drop. A mandatory pre-bid meeting and site inspection is scheduled for May 6, 2026 at 10:30 AM; the deadline for contractor questions is 10 calendar days prior to bid submission; sealed bids are due May 25, 2026 at 10:00 AM; and on-site work must commence no later than August 15, 2026, with substantial completion required within 6.5 months.
The estimated contract value is $4,950,000.00 for the base bid and all associated alternates. Required insurance includes general liability of $500,000 per occurrence and $1,000,000 aggregate, with performance and payment bonds equal to 100 percent of the contract amount and bid security of 5 percent of the total bid amount. Alaska bidders may claim preferences up to 5 percent over the lowest non-resident bid, with additional preferences available for Alaska residents with disabilities (10 percent), employment programs (15 percent), Alaska veterans (5 percent not to exceed $5,000), and Alaska or recycled products. The contractor must perform at least 10 percent of total work with direct employees and comply with Alaska Davis-Bacon wage requirements. Special conditions require contractors to maintain continuous courthouse operations throughout construction, implement enhanced indoor air quality protection, comply with courthouse security procedures including background checks, and obtain 14 calendar days' advance written approval for work requiring temporary closure of court-related spaces. All invoicing must be completed prior to June 30, 2027. Work in the occupied courthouse prohibits high-noise and vibration-producing activities during active court proceedings unless specifically approved in writing, and the owner may require such disruptive work be performed during evenings, weekends, or court recess periods at no additional cost.
Text of this file
GWH-1
LAV-1
LAV-1
WC-1
WC-1
DF-1
FD-1
FD-1
FD-1
FS-1
FD-1
BFP-2
BFP-1
3/4" DCW
3/4" DHW
1/2" DHWR
MECH.
JANITOR
W/C
W/C
STORAGE
JURY ASSEMBLY
1/2" DHWR
3/4" DHW
2" DCW
1 1/4" DCW
1 1/4" DCW
ELEC / IT
SK-1
TP-2
P22
P27
P27
P23
P23
P24
P30
P31
P33
P31
P32
P34
CP-1
1 1/2" DCW
3/4" G DN
3/4" G DN
3/4" G
3/4" DCW
P21
M1 M2
MB
MA
M4
LOW
PRESSURE
MMV-1
REFER TO MECHANICAL
DRAWINGS FOR
EQUIPMENT INFORMATION
P34 P34
1" G
4' -7
/8
2 1/2" DCW DN
G @ 5 PSI, REFER TO CIVIL
GAS METER BY ENSTAR. PRESSURE
REGULATOR TO BE SET TO MEET NFPA 54
TABLE 6.2.1(C) DESIGN CRITERIA (8.0 IN
W.C. MINIMUM SUPPLY PRESSURE, 3.0 IN
W.C. MAX PRESSURE DROP).
CONTRACTOR SHALL FIELD VERIFY
EXISTING CONDITIONS, LOCATION, PIPE
SIZE, TOTAL DEVELOPED LENGTH, AND
PRESSURE PRIOR TO CONSTRUCTION.
NOTIFY ENGINEER OF ANY
DISCREPANCIES.
1 1/4" G
16. RUN PIPING CONCEALED, UNLESS SPECIFIED OTHERWISE, AND CLEAR OF CEILING
INSERTS.
17. PROVIDE CLAMPS, OFFSETS, EXPANSION JOINTS, ANCHORS AND GUIDES AS
NECESSARY TO PREVENT STRESS ON PIPING.
18. IT SHALL BE THE RESPONSIBILITY OF PLUMBING CONTRACTOR TO VERIFY
PLUMBING EQUIPMENT AND FIXTURES COMPLYING WITH THE BUY AMERICA ACT
PRIOR TO PURCHASE.
19. PIPING SHALL NOT RUN OVER ELECTRICAL PANELS AND SHALL BE COORDINATED
WITH WORK OF OTHER TRADES.
1. GENERAL NOTES, SYMBOLS LIST AND DETAILS ARE APPLICABLE TO ALL
DRAWINGS MARKED P.
2. DRAWINGS ARE DIAGRAMMATIC: DETERMINE LOCATIONS OF SYSTEMS AND
COMPONENTS IN FIELD.
3. NEITHER ACCURACY NOR COMPLETION OF UTILITY LOCATIONS SHOWN ON
DRAWINGS IS GUARANTEED. DETERMINE EXACT LOCATIONS OF EXISTING UTILITY
IN FIELD, WHETHER OR NOT SHOWN ON DRAWINGS. EXERCISE CAUTION AND
IDENTIFY LOCATIONS OF UNMARKED UTILITY LINES AS NECESSARY TO PERFORM
WORK OF THIS SECTION.
4. PLUMBING WORK SHALL BE IN ACCORDANCE WITH THE CURRENT PLUMBING
CODE AND ALL APPLICABLE LOCAL CODES AND DRAWINGS
5. IT SHALL BE THE RESPONSIBILITY OF PLUMBING CONTRACTOR TO COORDINATE
PLUMBING WORK WITH THAT OF ALL OTHER TRADES, INCLUDING (BUT NOT
LIMITED TO), ELECTRICAL, HVAC PROCESS PIPING, SPRINKLER, PLUMBING,
STRUCTURAL, AND GENERAL ARCHITECTURE.
GENERAL NOTES
GENERAL NOTES APPLY TO ALL PLUMBING SHEETS
6. ANY INTERFERENCE SHALL BE BROUGHT TO THE ATTENTION OF THE
CONSTRUCTION MANAGER AND THE OWNER'S REPRESENTATIVE, AND SHALL BE
RESOLVED PRIOR TO THE INSTALLATION OF THE WORK INVOLVED.
7. NO WORK SHALL BE INSTALLED IN VIOLATION OF ANY GOVERNING CODES. ANY
WORK SHOWN ON THE DRAWINGS WHICH IS IN VIOLATION OF SUCH CODES
SHALL BE BROUGHT TO THE ATTENTION OF THE CONSTRUCTION MANAGER AND
THE OWNER'S REPRESENTATIVE AND SHALL BE RESOLVED PRIOR TO THE
INSTALLATION OF THE WORK INVOLVED.
8. PIPING PENETRATING CEILING AND WALLS SHALL BE INSTALLED WITH CHROME
(STAINLESS HERE NOTED) PLATED ESCUTCHEONS AT THE PENETRATION. PIPING
PENETRATING EXTERIOR WALLS AND ROOFS SHALL BE FLASHED IN AN
APPROVED MANNER AND SHALL BE SEALED WEATHER TIGHT. PIPING
PENETRATING RATED PARTITIONS SHALL BE PROTECTED AS REQUIRED BY LOCAL
CODE AUTHORITY (SEE DETAILS).
9. MANUFACTURER'S MODEL NUMBERS ARE SPECIFIED SOLELY TO ESTABLISH
STANDARDS OF QUALITY FOR PERFORMANCE AND MATERIALS.
10. INSTALLATION SHALL ADHERE TO MANUFACTURERS' REQUIREMENTS.
11. PROVIDE ACCESS PANELS FOR EQUIPMENT THAT REQUIRES PERIODIC SERVICE.
12. CONTRACTOR SHALL COORDINATE ELECTRICAL CHARACTERISTICS AND
REQUIREMENTS OF PLUMBING EQUIPMENT WITH THE ELECTRICAL DRAWINGS
AND SHALL FURNISH EQUIPMENT WIRED FOR THE VOLTAGES SHOWN HEREIN.
13. PROVIDE SHUTOFF VALVES ON BRANCH PIPING AND ON SUPPLIES TO INDIVIDUAL
FIXTURES AND EQUIPMENT. PROVIDE BALL VALVES ON WATER MAIN BRANCHES
IN ACCESSIBLE LOCATIONS AND WHERE INDICATED ON DRAWINGS. VALVES
SHALL BE ACCESSIBLE.
14. CONCRETE PADS AND PLATFORMS FOR WORK OF THIS SECTION WILL BE
PROVIDED BY GENERAL CONTRACTOR. PROVIDE INFORMATION AND HARDWARE
AS NECESSARY TO COORDINATE WORK.
15. VENT PIPING SHALL TERMINATE MINIMUM 10 FEET AWAY FROM ANY AIR INTAKE.
KEY NOTES
PALMER STATE
OFFICE BLDG.
AREA OF
EXPANSION
KEY PLAN
TRUE
NORTH
Th e
C o p yr ig h ts t o a ll d e si g n s a n d d ra w in g s a re t h e p ro p e rt y o f St a n te c
R e p ro d u c tio n o r u se f o r a n y p u rp o se o th e r th a n t h a t a u th o riz e d b y St a n te c is f o rb id d e n
Th e
C o n tr a c to r sh a ll v e rif y a n d b e r e sp o n si b le f o r a ll d im e n si o n s.
D
O N
O T sc a le t h e d ra w in g a n y e rr o rs o r o m is si o n s sh a ll b e r e p o rt e d t o
S ta n te c w ith o u t d e la y.
C o p yr ig h t R e se rv e d
ORIGINAL SHEET - ANSI D
Is su e d
/R e v is io n
B y
A p p d
Y Y
Y Y
.M M
.D D
A
2 3 4 5
B
C
D
Permit/Seal
C o n su lt a n t
Revision:
Project No.:
Title
Scale:
NUMBER:
/1
/2
:4
:5
P
M
As indicated
P ic k lo c a ti o n in
P ro je c t In fo rm a ti o n
St a n te c A rc h ite c tu re
In c
C S tr e e t
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A n c h o ra g e
, A K
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(9 7)
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P a lm e r C o u rt h o u se R e n o v a ti o n
E xp a n si o n
A la sk a
C o u rt
S ys te m
E
A
ST
D A
H
LI
A A
V E N
U E
P A
LM
E R
A
K
2014331970
P1-102M
OVERALL FLOOR PLAN
LEVEL 1 - PRESSURIZED
SYSTEMS
1/4" = 1'-0"P1-102M
A1 PLUMBING FLOOR PLAN - MODULAR - PRESSURIZED SYSTEMS
P21 PROVIDE 3/4" DCW AND 3/4" DHW PIPES TO MOP SINK. PROVIDE
WITH CHECK VALVE.
P22 PROVIDE 1/2" DCW PIPE TO DRINKING FOUNTAIN(S).
P23 PROVIDE 3/4" DCW AND 3/4" DHW PIPES TO LAVATORY(S).
P24 PROVIDE 3/4" DCW AND 3/4" DHW PIPES TO SINK(S).
P27 PROVIDE 2" DCW PIPE TO WATER CLOSET(S).
P30 PROVIDE WATER HAMMER ARRESTOR AND TRAP PRIMER ON
DOMESTIC COLD WATER PIPE.
P31 PROVIDE 12" X 12" CEILING ACCESS PANEL.
P32 PROVIDE 12" X 12" WALL ACCESS PANEL.
P33 PROVIDE SHUTOFF VALVES IN ACCESSIBLE LOCATION.
P34 PROVIDE A BALANCING VALVE. ON THE DOMESTIC HOT WATER
RECIRCULATION PIPE. SET AT 0.5 GPM IN AN ACCESSIBLE LOCATION
(TYP).
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03/10/2026 agarrison Pen
G
LOCKABLE GAS COCK, (TYP.)
UNION, (TYP.)
PRESSURE REGULATOR, ACTARIS
SRV 801 OR APPROVED EQUAL
UNDERGROUND GAS
SERVICE BY UTILITY CO.
CONCRETE SUPPORT PAD
GAS METER/REGULATOR
BY UTILITY CO.; 500 CFH
TDL=100'
CAPPED MANIFOLD
B-M-2 B-M-1
200 CFH 200 CFH
3/4" 3/4"
G
AGA LISTED BALL VALE, (TYP.)
DRIP LEG (TYP.)
1-1/4"
500 CFH
1-1/4"
500 CFH
LOW PRESSURE
GWH-1
100 CFH
3/4"
1"
400 CFH
NOTE:
1. GAS PRESSURE REGULATOR SHALL BE SET TO MEET NFPA 54 TABLE 6.2.1(C) DESIGN
CRITERIA (8.0 IN W.C. MINIMUM SUPPLY PRESSURE, 3.0 IN W.C. MAX PRESSURE DROP).
CONTRACTOR SHALL FIELD VERIFY EXISTING CONDITIONS, LOCATION, PIPE SIZE,
TOTAL DEVELOPED LENGTH, AND PRESSURE PRIOR TO CONSTRUCTION. NOTIFY
ENGINEER OF ANY DISCREPANCIES.
MAXIMUM ALLOWABLE
GAS PRESSURE SHALL
NOT EXCEED 14 IN. W.C.
PROVIDE PRESSURE
REGULATOR WHERE
INLET PRESSURE
EXCEEDS THIS LIMIT.
CONTRACTOR SHALL
VERIFY INLET PRESSURE
IN FIELD.
MAXIMUM ALLOWABLE
GAS PRESSURE SHALL
NOT EXCEED 10.5 IN. W.C.
PROVIDE PRESSURE
REGULATOR WHERE
INLET PRESSURE
EXCEEDS THIS LIMIT.
CONTRACTOR SHALL
VERIFY INLET PRESSURE
IN FIELD.
Th e
C o p yr ig h ts t o a ll d e si g n s a n d d ra w in g s a re t h e p ro p e rt y o f St a n te c
R e p ro d u c tio n o r u se f o r a n y p u rp o se o th e r th a n t h a t a u th o riz e d b y St a n te c is f o rb id d e n
Th e
C o n tr a c to r sh a ll v e rif y a n d b e r e sp o n si b le f o r a ll d im e n si o n s.
D
O N
O T sc a le t h e d ra w in g a n y e rr o rs o r o m is si o n s sh a ll b e r e p o rt e d t o
S ta n te c w ith o u t d e la y.
C o p yr ig h t R e se rv e d
ORIGINAL SHEET - ANSI D
Is su e d
/R e v is io n
B y
A p p d
Y Y
Y Y
.M M
.D D
A
2 3 4 5
B
C
D
Permit/Seal
C o n su lt a n t
Revision:
Project No.:
Title
Scale:
NUMBER:
/1
/2
:4
:5
P
M
NOT TO SCALE
P ic k lo c a ti o n in
P ro je c t In fo rm a ti o n
St a n te c A rc h ite c tu re
In c
C S tr e e t
Su it e
A n c h o ra g e
, A K
-5
Te l:
(9 7)
6-w w w
.s ta n te c .c o m
P a lm e r C o u rt h o u se R e n o v a ti o n
E xp a n si o n
A la sk a
C o u rt
S ys te m
E
A
ST
D A
H
LI
A A
V E N
U E
P A
LM
E R
A
K
2014331970
P6-501M
PLUMBING GAS RISER
DIAGRAM
NOT TO SCALEP6-501M
1 GAS PIPING SCHEMATIC
D
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6.
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03/10/2026
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