B09_Amendment_05_GRCA257282_FinalCD_Addendum_05_0005.pdf
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- Solicitation number
- 140P2026R0101
About this file
This is an addendum to 100% complete construction documents for the National Park Service's Replace Wastewater Plant South Rim Village project (GRCA-257282). The addendum addresses bidder questions received on September 9, 2026, regarding the June 2025 construction documents and documents minor revisions to the design drawings captured in markup format showing additions in red, deletions in green, and notes in blue.
The addendum includes revisions to one drawing: Sheet 232 (Drawing 18S1030), titled "Receiving Station Structural Plan and Section," which contains a revision to the bituminous dampproofing specification reference. No revisions to standard details or specifications are included in this addendum. The revised documents will be incorporated into conformed contract documents following project award. The work is prepared by Jacobs Government Services Company in Greenwood Village, Colorado under Contract No. 140P2023D0006, Task Order No. 140P2023F0235, with a professional engineer certification (Katarzyna Rosinski, License 77237) dated September 16, 2026, and expires December 31, 2028.
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Text version
National Park Service
Replace Wastewater Plant South Rim Village
GRCA-257282
100% Complete Construction Documents Addendum 5
September 16, 2026
Prepared by:
Jacobs Government Services Company
Greenwood Village, CO
Contract No. 140P2023D0006
Task Order No. 140P2023F0235
Expires
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GRCA 257282 – 100% Complete CD: Addendum 05
Jacobs Engineering Group Inc. 2
1. Addendum Contents
This addendum addresses questions from bidders on the 100% Final Construction Documents for the
Replace Wastewater Plant South Rim Village project, dated June 2025, that were received by Jacobs on
September 9, 2026. The questions and responses are attached. The questions resulted in minor updates to drawings. Revisions are captured in markup format showing additions in red, deletions in green and notes in blue. Revised documents are listed below and attached. Revised documents will ultimately be incorporated into conformed contract documents after project award.
1.1 Revisions to Drawings
New or
Updated
Sheet No. DWG No. Sheet Name Description
Updated 232 18S1030 Receiving Station Structural
Plan and Section
Revision to bituminous dampproofing specification reference
1.2 Revisions to Standard Details
New of
Updated
Standard
Detail No.
Name Description
None
1.3 Revisions to Specifications
New of
Updated
Specification
No.
Name Description
None
P L
O T D
A T
E
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O T T
IM
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175376
0" 1"
BAR MEASURES 1" LONG
FULL SIZE DRAWINGS = 22"x34"
G R
C A -2
GRAND CANYON, SOUTH RIM
TITLE OF SHEETSUB SHEET NO.DESIGNED:
TECH. REVIEW:
CADD:
DATE:
DRAWING NO.A/E FIRM
SHEET
S S /V i
06/2025 401
VILLAGE, CO
GREENWOOD
COMPANY
SERVICES
GOVERNMENT
JACOBS
PMIS/PKG NO.
257282
F
IL
E L
C
O M
P L E
T E C
O N
S T
R U
C T
IO
N D
O C
U M
E N
T S
A
SECTION
3/8"=1'-0"
PLAN
3/8"=1'-0"
N
A
16'-0"
3'-0"
SHEET NOTES
NOTE 1
30'-0"
7'-0"
AT PERIMETER
EL 6790.00 TYP
T.O. CONCRETE
M
IN
3/8"=1'-0"
N
A
3'-0"x3'-0" SUMP
C 3/8"=1'-0"
SLAB SECTION
C
C
2'-4 3/4"5'-4 1/2"
AT TRENCH
EL 6789.86 TYP
T.O. CONCRETE
T Y
P
EL 6790.00
T.O. CONCRETE
1'-0"10'-0"1'-0"
" EL 6779.08
TOC
1'-0" 3'-0" 1'-0"
EL 6781.34
TOC
TOC
SEE PLAN
1'-0" 10'-0" 1'-0"
BASE SLAB
SLOPE TO SUMP
CONCRETE FILL,
FROM TOP SURFACE
#5@12" EW, T&B, 2" CLEAR
NOTE: COATING NOT SHOWN, SEE SECTION A THIS DRAWING.
SLOPE TO SUMP
CONCRETE FILL,
0315-154
4" WATERSTOP
0330-080
3'-0"
0330-080
6"x6" CURB 0330-044
TYPE B
0330-056
0330-043 0330-077, SIM
0330-077 SIM
TOC, SEE PLAN
0330-043 TYPE B
SHEET NOTES
B
SECTION
3/8"=1'-0"
1'-0"3'-0"1'-0"
1.5
1.5
EL 6780.25
TOC
CONCRETE LID
PRECAST
12" CONCRETE WALL
AS PER 07 11 13B
DAMPPROOFING TYP
APPLY BITUMINOUS
B
WALL
CONCRETE
B
PRECAST CONCRETE LID
AS PER 07 11 13B
DAMPPROOFING TYP
APPLY BITUMINOUS
12" CONCRETE WALL
SEE CIVIL
FINISHED GRADE,
SEE CIVIL
FINISHED GRADE,
0330-003
NOTE 4NOTE 4
09 96 35
TYP, AS PER
RESISTANT COATING
WITH A CHEMICAL
COAT CONCRETE
A
SEE
COATING,
3'-0"
"HATCH OPENING
CENTER ON
ALUMINUM GRATING
1'-0" WIDE TRENCH DRAIN W/
VAULT LOWER PLAN
NOTES:
SEE SECTION A THIS SHEET.
FOR INFORMATION NOT SHOWN1.
W KOHLER
A FIRTH
PLAN AND SECTION
B CLEGG STRUCTURAL
RECEIVING STATION
18S1030
NOTE 5
NOTE 3
DRAWINGS 01S0001, 01S0002 AND 01S0003.
FOR GENERAL STRUCTURAL NOTES SEE 1.
MECHANICAL DRAWINGS.
AND PENETRATION DETAILS WITH PROCESS
PIPE PENETRATION, COORDINATE SIZE LOCATION 5.
DRAWING 06C2001.
FACILITY LOCATION CONTROL POINT, SEE CIVIL 4.
FABRICATIONS.
DOOR, SEE SPECIFICATION 05 50 00 METAL
3'-0" x 3'-0" SINGLE LEAF ALUMINUM SIDEWALK 3.
DRAWINGS.
PROCESS EQUIPMENT MFR AND PROCESS
CONCRETE EQUIPMENT PEDESTALS WITH
COORDINATE LOCATION AND HEIGHT OF 2.
FOR ADDITIONAL INFORMATION.
GROUND SURFACE. SEE GEOTECHNICAL REPORT
BEDROCK IS LOCATED NEAR THE EXISTING 1.
BEDROCK
FILL OR UNDISTURBED
COMPACTED GRANULAR
BEDROCK
FILL OR UNDISTURBED
COMPACTED GRANULAR
BEDROCK
OR UNDISTURBED
GRANULAR FILL
COMPACTED
BASE SLAB
CONCRETE
, TYP
TYP
NEOPRENE GASKET,
PLAN
DOOR, SEE
SIDEWALK
EW, T&B
#5@12"
EW, T&B
#5@12"
#5@12"
#5@12" EW, EF, TYP
SUMP, SEE PLAN
T Y
P
TYP
6"
FILL, EL 6788.86
T.O. CONCRETE
2% SLOPE
SLOPE, TYP
NOTE 4
NOTE 4
3/8"=1'-0"
0 4 6
0330-004
ALL AROUND
SEE NOTE 2
TYPE J,
PEDESTAL,
12" SQ EQUIPMENT
ON GRADE
8" THICK (MIN) SLAB
0330-016
TYP
ENCASEMENT
PIPE
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AR I ZONA U . S . A
WAYNE W. KOHLER
6/
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