PD_Waterline_Relocation,_Sink_Hole_Repair_and_Concrete_Flume_Modifications_Exhibit.pdf
PDF 2 MB Posted
- Solicitation number
- 2026-33
- Issued by
- Montgomery County, Corpus Christi City, Texas
About this file
This engineering drawing exhibit supports the City of Conroe's Request for Quote #2026-33 for Police Department Parking Lot improvements, specifically addressing waterline relocation, sinkhole repair, and concrete flume modifications. The project involves relocating an existing 2-inch irrigation line (approximately 255 linear feet), constructing a proposed swale at 0.81% slope (30 linear feet), removing and replacing approximately 4 square yards of existing concrete flume with 7 square yards of new concrete flume, and providing flowable backfill (approximately 7 cubic yards). The RFQ was issued with a submission deadline of Thursday, October 22, 2026 at 1:00 pm through OpenGov Procurement.
The engineering specifications require flowable backfill per TXDOT Item 401 (excavatable type) with a 28-day compressive strength of 150 PSI, swale construction with maximum 3:1 side slopes and minimum 0.2% longitudinal slope, and restoration of disturbed areas to original conditions or better per City of Conroe standards. The work includes protection of existing trees, irrigation infrastructure, and structures (including an 8-foot wall, existing gate, and posts with foundations) that are to remain in place. Elevation data and cross-sectional details are provided showing proposed floor levels, existing grade elevations, and the relationship of the new concrete flume to existing site features. The drawing is dated September 8, 2026 and serves as the technical foundation for contractor bid preparation.
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| File | Type | Posted |
|---|---|---|
| Request_for_Quote_-_Police_Department_Parking_Lot.pdf |
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Text version
PROP. SWALE
30 LF @ 0.81%
FIELD VERIFY EXISTING
2" IRRIGATION LINE(214 LF)
FOR TIE-IN LOCATION
CUT&PLUG EX.
2" IRRIGATION LINE
CUT&PLUG EXISTING
2" IRRIGATION LINE
RELOCATE EXIST. 2" IRRIGATION LINE
(APPROX. 255 LF)
3.5'
MEG: 243.83
MEG: 243.30
PROP. FL: 242.75 ELEV: 242.72
6.7' 3.7'
1.5'
1.5'
PROP. FL: 242.72
MEG: 242.92
PROP. FL: 241.85
5" GAP BELOW WALL
PROP. FL: 241.90
MATCH EXIST. FL: 241.65
A A
B B
PROVIDE FLOWABLE
BACKFILL (APPROX. 7 CY)
(FIELD VERIFY)
SAWCUT & DEMO
(APPROX. 4 SY)
PROP. CONC. FLUME
(APPROX. 7 SY)
EXIST. CONC FLUME
SLOPES TO REMAIN2
.0
EXIST. CONC FLUME JOINT
PROP. FL
(SEE ELEV. LEFT)
5"
(TYP)
5"
(TYP)
PROP. FL
(SEE ELEV. LEFT)
3:1 MAX
ELEV: 242.72
DATE: September 8, 2026
PATH = G:\Archive\2025\2025-01 Police Parking Lot\Construction\Research\CAD & Survey
SCALE: AS SHOWN
DRAWN BY: DESIGN BY:
ADMIN. APPROVAL:
ENGINEERING
DRAWING NAME: ZH/HM
REVIEWED BY: TBG
S
N
W
E
PROJECT NO:
SHEET NO: 1 OF 1
RS
GRAPHIC SCALE:
PD IRRIGATION WATERLINE RELOCATION, SINK HOLE
REPAIR, AND CONCRETE FLUME MODIFICATIONS
EXHIBIT
NOTES:
1. FLOWABLE BACKFILL SHALL BE
PER TXDOT ITEM 401,
EXCAVATABLE TYPE, WITH
28-DAY COMPRESSIVE
STRENGTH OF 150 PSI.
2. CONSTRUCT A SWALE AS
SHOWN ON EXHIBIT. PROVIDE
NECESSARY BACKFILL. SIDE
SLOPE SHALL BE MAX 3:1
(H:V). PROVIDE MIN. 0.2%
LONGITUDINAL SLOPE.
3. REMOVE EXISTING WATERLINE
(2-IN) AS REQUIRED FOR
PAVING WORK.
4. PROTECT EXISTING TREES AND
IRRIGATION TO REMAIN.
5. RESTORE DISTURBED AREAS
TO ORIGINAL CONDITIONS OR
BETTER PER CITY STANDARDS.
SECTION A-A
SCALE: H&V:1" = 5'
SCALE: 1" = 5'
EXIST. WALL
EXIST. POST W/
FOUNDATIONS (TYP)
EXIST. POST W/
FOUNDATIONS (TYP)
(PROTECT IN PLACE)
EXIST. GATE
EXIST. 8' WALL
EXIST. WALL
SECTION B-B
SCALE: H&V:1" = 5'
LEGEND
PROPOSED SWALE
PROP. CONC. FLUME
PROP. CONC. DEMO
EXIST. POND CONC SLOPE 2:1
EXIST. FL: 242.96
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