ATTACHMENT 1.pdf

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Contech Jellyfish Filter Inspection & Maintenance
Solicitation number
SP4703-26-Q-0064
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About this file

This is a contract drawing document for a Jellyfish water quality structure manufactured by CONTECH Engineered Solutions LLC, designed for installation at Lotts Center Parking Lot, Defense Supply Center Richmond, Virginia (Site Designation 101-4).

The structure is an 8' x 6' CLASS 600 precast concrete vault (Project No. 607452, Sequence 010) designed to manage stormwater quality and quantity. Key specifications include: structure dimensions with inlet/outlet invert elevation of 111.69', rim elevation of 120.17', bottom elevation of 104.52', and weir elevation of 112.19'; design load rating of AASHTO HS-20 with assumed earth cover of 0'-2' and groundwater elevation of 115.53'; water quality flow rate of 0.63 CFS with peak flow rate of 7.31 CFS at a 10-year return period; and approximate heaviest pick weight of 23,000 lbs for three component pieces. The structure contains a 12-cartridge deck with filtration bays, inlet/outlet bays, bypass weir wall, floatables baffle, and draindown capabilities. Material components provided by CONTECH include one jellyfish vault, two 54" Hi-Flo cartridges (70mm orifice), one 54" draindown cartridge (35mm orifice), three blank cartridges, and seventeen steps. Contractor-supplied items include three grade rings/risers, two 30"Ø x 4" frames and covers (EJ #41600484), one 24"Ø x 4" frame and cover (EJ #41600389), joint sealant, and grouting to finished grade. The structure must conform to ASTM C-478 and AASHTO load factor design method, with castings meeting AASHTO M306 load rating standards.

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Text version

PLAN VIEW

1'-10

1'-10

1'-9"

1'-9"

1'-9"

INLET

OUTLET

(2) 30"Ø x 4"

FRAMES & COVERS

(1) 24"Ø x 4"

FRAME & COVER

7'-0"

ELEVATION VIEW

38"x36" OPENING

FOR 24"Ø RCP

OUTLET PIPE

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OUTLET

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OPENING

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CONTECH TO PROVIDE

GRADE RING/RISER

CONTRACTOR TO GROUT

TO FINISHED GRADE

RIM

ELEV. = 120.17'

OUTLET INV. ELEV. = 111.69'

STRUCTURE INV.

ELEV. = 105.19'

BOTTOM OF STRUCTURE

ELEV. = 104.52'

INLET INV. ELEV. = 111.69'

TOP OF STRUCTURE

ELEV. = 118.21'

WEIR ELEV. = 112.19'

36"Ø OPENING

FOR 24"Ø RCP

INLET PIPE

PLAN VIEW

(TOP SLAB NOT SHOWN FOR CLARITY)

6'-0"

2'-9"

INLET

TRANSFER OPENING

OUTLET TRANSFER

OPENING

INLET

BAY

OUTLET

BAY

BYPASS

WEIR

FLOATABLES

BAFFLE

DRAINDOWN

CARTRIDGE

DECK WEIR

HI FLO CARTRIDGE

STEPS TYP.

BLANK CARTRIDGE

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T h e d e s i g n a n d i n f o r m a t i o n s h o w n o n t h i s d r a w i n g i s p r o v i d e d a s a r v i c e o h e p r o j e c t o w n e r e n g i n e e r a n d c o n t r a c t o r b y

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I f d i s c r e p a n c i e s b e t w e e n t h e s u p p l i e d i n f o r m a t i o n u p o n w h i e d r a w i n g i s b a s e d a t u a l f i e n d i t i o n s a c o u n t e r e d a s s i w r k p r o g r e s s e s t h e s e d i s c r e p a n c i e s m u s t b e r e p o r t e d

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SEQUENCE No.:

PROJECT No.:

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CONTRACT

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LAYOUT 7

CLASS 600

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COUNT DESCRIPTION INSTALLED BY

7 CONTECH

2 CONTECH

CARTRIDGE BLANK (NO ORIFICE)

CONTECH

JELLYFISH VAULT 12-CARTRIDGE DECK, STANDARD

CONTECH

JOINT SEALANT (BY PRECASTER)

CONTRACTOR

30"Ø X 4" FRAME & COVER, EJ #41600484

CONTRACTOR

24"Ø X 4" FRAME & COVER, EJ #41600389

CONTRACTOR

3 PLCS. GRADE RING/RISER CONTRACTOR

17 STEPS CONTECH

MATERIAL LIST - PROVIDED BY CONTECH

54" HI-FLO CARTRIDGE (70 mm ORIFICE)

54" DRAINDOWN CARTRIDGE (35 mm ORIFICE)

GENERAL NOTES:

1. CONTECH TO PROVIDE ALL MATERIALS UNLESS NOTED OTHERWISE.

2. FOR FABRICATION DRAWINGS WITH DETAILED STRUCTURE DIMENSIONS AND WEIGHT, PLEASE CONTACT YOUR CONTECH ENGINEERED

SOLUTIONS REPRESENTATIVE. WWW.ContechES.COM

3. JELLYFISH WATER QUALITY STRUCTURE SHALL BE IN ACCORDANCE WITH ALL DESIGN DATA AND INFORMATION CONTAINED IN THIS

DRAWING. CONTRACTOR TO CONFIRM STRUCTURE MEETS REQUIREMENTS OF PROJECT.

4. STRUCTURE SHALL MEET AASHTO HS-20, ASSUMING EARTH COVER OF 0' - 2', AND GROUNDWATER ELEVATION OF 115.53' PER ENGINEER

OF RECORD. CASTINGS SHALL MEET AASHTO M306 LOAD RATING AND BE CAST WITH THE CONTECH LOGO.

5. STRUCTURE SHALL BE PRECAST CONCRETE CONFORMING TO ASTM C-478 AND AASHTO LOAD FACTOR DESIGN METHOD.

INSTALLATION NOTES

A. ANY SUB-BASE, BACKFILL DEPTH, AND/OR ANTI-FLOTATION PROVISIONS ARE SITE-SPECIFIC DESIGN CONSIDERATIONS AND SHALL BE

SPECIFIED BY ENGINEER OF RECORD.

B. CONTRACTOR TO PROVIDE EQUIPMENT WITH SUFFICIENT LIFTING AND REACH CAPACITY TO LIFT AND SET THE STRUCTURE (LIFTING

CLUTCHES PROVIDED)

C. CONTRACTOR WILL INSTALL AND LEVEL THE STRUCTURE, SEALING THE JOINTS, LINE ENTRY AND EXIT POINTS (NON-SHRINK GROUT

WITH APPROVED WATERSTOP OR FLEXIBLE BOOT)

D. WHEN ACTIVATED PRIOR TO SITE STABILIZATION, CONTRACTOR TO PROTECT CARTRIDGES FROM CONSTRUCTION-RELATED EROSION

RUNOFF.

E. CARTRIDGE INSTALLATION, BY CONTECH, SHALL OCCUR ACCORDING TO THE PROVISIONS IN THE ACTIVATION CHECKLIST AND THE

QUOTED SCOPE OF WORK. CONTACT CONTECH TO COORDINATE CARTRIDGE INSTALLATION WITH SITE STABILIZATION AT (800) 338-1122.

STRUCTURE WEIGHT

APPROXIMATE HEAVIEST PICK OF (3) PIECES = 23,000 LBS.

WATER QUALITY

FLOW RATE

0.63 CFS

PEAK FLOW RATE 7.31 CFS

RETURN PERIOD OF

PEAK FLOW

10 YRS

SITE DESIGN DATA

(1) 24" x 4"

FRAME AND COVER

(2) 30" x 4"

FRAMES AND COVERS

SE ISOMETRIC VIEWNW ISOMETRIC VIEW

CARTRIDGE

DECK

SEPARATION

WALL INLET

TRANSFER OPENING

FLOATABLES

BAFFLE

OUTLET

TRANSFER

OPENING

BYPASS

WEIR WALL

FLOATABLES

BAFFLE

FILTER BAY

CARTRIDGE

DECK

INLET BAY

BYPASS

WEIR WALL

OUTLET

TRANSFER

OPENING

OUTLET BAY

FILTER BAY

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DATE:

APPROVED:

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CHECKED:

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T h e d e s i g n a n d i n f o r m a t i o n s h o w n o n t h i s d r a w i n g i s p r o v i d e d a r v i c e e p r o j e c t o w n e r e n g i n e e r a n d c o n t r a c t o r b y

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L o n e o f i t s a f f i l i a t e d c o m p a n i e s

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C H i t h e r t h a w i n g p e r e o m b e d r e p r o d u c e d o r m o d i f i e d y m a n n e r w i t h o u t t h e p r i o r w r i t t n s e

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T E x p r e s s l y d i s c l a i m s a n y l i a b i l i t y o r r e s p o n s i b i l i t y f o r s u e

I f d i s c r e p a n c i e s b e t w e e n t h e s u p p l i e d i n f o r m a t i o n u p o n w h i e d r a w i n g i s b a s e d a t u a l f i e n d i t i o n s a c o u n t e r e d a s s i r k p r o g r e s s e s t h e s e d i s c r e p a n c i e s m u s t b e r e p o r t e d

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