Agenda 03/13/2012 Item #16D23/13/2012 Item 16.D.2.
EXECUTIVE SUMMARY
Recommendation to approve and authorize structural pilings inspection to the Clam Bay Draw
Bridge, approve a budget and a budget amendment of $15,000 to complete this work, and make a
finding that improvements to this beach park facility promotes tourism.
OBJECTIVE: To inspect the structural pilings of the Clam Bay Draw Bridge
CONSIDERATIONS: Annual inspection of the Clam Bay Draw Bridge has identified additional
structural inspections that need to be performed. Authorization of this item will allow staff to proceed
with the inspection and identify piling repair work if needed. A piling inspection report will be issued as
a result of this inspection.
Description of work I Estimated Budget
Perform Submerged Piling Inspection with Structural Engineer 1 $15,000.00
This item does not include any piling repairs that may result from the submerged piling inspection. In
addition it does not include any repairs to the super - structure cleats, blocks, braces or clips; the electrical
control unit; hardware; and any work to un- torque the lift /drawbridge section.
FISCAL IMPACT: Funding for this project will be from Tourist Development Tax Fund 183 - Beach
Park Facilities reserves. A budget amendment in the amount of $15,000 creating the initial Clam Bay
Draw Bridge Maintenance budget will be required. The inspection results will be used to develop the
balance of the Draw Bridge Maintenance budget.
The proposed inspection is a cost of maintaining an existing asset. Additional Clam Pass Draw Bridge
maintenance activities that have been identified to date but not yet funded are: Bridge repairs to the super-
structure cleats, blocks, braces and clips - $25,000; Un- torque the lift/drawbridge section - $7,500; Replace
electrical control unit - $10,000; Replace gates, hardware and reseal wood - $10,000;
Engineering /permitting for lift device - $10,000.
GROWTH MANAGEMENT IMPACT: There is no impact to the Growth Management Plan related to
this action.
ADVISORY COMMITTEE RECOMMENDATIONS: This item was approved by the Parks and
Recreation Advisory Board on February 16, 2012 with a 4 -0 vote.
This item was approved by the Tourist Development Council (TDC) on February 27, 2012 with a 7 -0
vote.
LEGAL CONSIDERATIONS: The Tourist Development Council and Board of County
Commissioners should make a finding that improvements to this beach park facility promotes tourism.
This item has been reviewed by the County Attorney's Office, requires majority vote, and is legally
sufficient for Board action. — CMG
RECOMMENDATION: Recommendation to approve and authorize structural pilings inspection to the
Clam Bay Draw Bridge, approve a budget and budget amendment of $15,000 to complete this work, and
make a finding that improvements to this beach park facility promotes tourism.
Packet Page -1287-
3/13/2012 Item 16.D.2.
PREPARED BY: J. Gary McAlpin, P.E., Director, Coastal Zone Management Department
Packet Page -1288-
COLLIER COUNTY
Board of County Commissioners
Item Number: 16.D.2.
3/13/2012 Item 16.D.2.
Item Summary: Recommendation to approve and authorize structural pilings inspection
to the Clam Bay Draw Bridge, approve a budget and a budget amendment of $15,000 to
complete this work, and make a finding that improvements to this beach park facility promotes
tourism.
Meeting Date: 3/13/2012
Prepared By
Name: HambrightGail
Title: Accountant,Coastal Zone Management
1/27/2012 8:50:59 AM
Submitted by
Title: Accountant,Coastal Zone Management
Name: HambrightGail
1/27/2012 8:51:02 AM
Approved By
Name: AlonsoHailey
Title: Administrative Assistant,Domestic Animal Services
Date: 1/27/2012 2:31:33 PM
Name: McAlpinGary
Title: Director - Coastal Management Programs,Coastal Zon
Date: 2/10/2012 1:55:47 PM
Name: GreeneColleen
Title: Assistant County Attomey,County Attorney
Date: 2/21 /2012 4:12:07 PM
Name: RamseyMarla
Title: Administrator, Public Services
Date: 2/28/2012 9:40:42 AM
Packet Page -1289-
Name: GreeneColleen
Title: Assistant County Attomey,County Attorney
Date: 2/29/2012 9:35:11 AM
Name: KlatzkowJeff
Title: County Attorney
Date: 2/29/2012 4:28:43 PM
Name: IsacksonMark
Title: Director -Corp Financial and Mgmt Svs,CMO
Date: 3/2/2012 3:38:27 PM
Name: FinnEd
Title: Senior Budget Analyst, OMB
Date: 3/6/2012 9:06:27 AM
Name: KlatzkowJeff
Title: County Attorney
Date: 3/6/2012 9:54:04 AM
Name: OchsLeo
Title: County Manager
Date: 3/6/2012 11:26:52 AM
Packet Page -1290-
3/13/2012 Item 16.D.2.
Cronin Engineering, Inc. COA #8597
6627 Willow Park Drive
Naples, FL 34109
Phone:(239) 593 -2157
Date: September 23rd, 2011
Gary McAlpin
Collier County Coastal Zone Management
RE: Clam Pass Bridge Pier Evaluation
3/13/2012 Item 16.D.2.
Fax: (239) 593 -8820
SCOPE OF STRUCTURAL SERVICES:
l.) On site inspection of existing conditions of bridge timber piling. Evaluation will be
conducted above water line in boat. Evaluation will be conducted below waterline in
diving equipment.
2.) Physical tests with knife to determine structural integrity of timber piling.
3.) Written report of existing conditions of bridge piers.
4.) Reccomendations for pier repair and remediation if required.
REQUESTED SERVICES BY COLLIER COUNTY:
1.) Permitting as required.
2.) Provide Boat and Captain
3.) Provide Safety "Buddy" Diver
4.) Provide Diving Equipment
METHOD OF BILLNG:
Professional Engineer $250.00 per hour
WORK AUTHORIZED BY:
Signature of Authorization erek P. Cronin PE
Packet Page -1291-
3/13/2012 Item 16.D.2.
- - - -- Original Message---- -
From: McAlpinGary
Sent: Thursday, January 12, 2012 3:35 PM
To: OchsLeo; RamseyMarla; CampSkip; JonesHank; WilliamsBarry;
O1sonNancy
Subject: RE: Clam Bay Bridge Repair
Leo,
In response to the Clam Pass Bridge Inspection /Repairs:
The County on initial recommendation from the Structural Engineer
proceeded to develop a plan to install a cofferdam system around the
bridge piles to inspect them in a "dry condition ". We also intended
to perform the miscellaneous non - structural, non - critical timber and
bolt replacements at the same time. The price for this inspection
exceeded $100,000 and the structural engineer indicated that a very
adequate in -water structural inspection could be performed at
significantly reduced costs.
During an inspection of the operations of the boardwalk it was
discovered that the bridge mechanism at the span could not be open.
This was verified by staff along with damage to the electrical motor
that raised and lowered the bridge section.
Currently scope is being developed that will address not only the
inspection but also the bridge racking and the electrical /mechanical
repairs. The scope and budget should be completed next week. Based
on what we know now, We expect the cost of the inspection and repairs
to be from $75,000 to $100,000. This does not include any significant
bridge piling repair and /or replacement. This item will need to go to
the TDC for approval later this month and depending on the budget
price the BCC in February.
Hank Jones from Facilities has also agreed to head this project up and
get it accomplished in a timely manner.
Gary
Under Florida Law, e-mail addresses are public records. If you do not
want your e-mail address released in response to a public records
request, do not send electronic mail to this entity. Instead, contact
this office by telephone or in writing.
Packet Page -1292-
3/13/2012 Item 16.D.2.
From: dperoninna.aol.com fmailto:dperonin(a-)aol.coml
Sent: Thursday, September 22, 2011 4:03 PM
To: McAlpinGary
Subject: Re: Clam Pass Bridge Repair
Gary
I can arrange for a staff PE to dive underwater to evaluate the piling and avoid the coffer dams.
Would require you to arrange for a boat.
Would need some kind of water jet. Need to go 3' -4' below mudline and look at piles.
My costs would be $250 hour engineer PE diving+ expenses scuba equipment.
Not sure number hours involved. Assume 1 -2 piles per 8 hour day. Then report probably another
$3,500.00 once field work is done.
Call me to discuss at 239 - 593 -2157
Derek Cronin PE
- - - -- Original Message---- -
From: dperonin <dperonin(a)aol.com>
To: GaryMcAlpin <GaryMcAlpin(a.colliergov.net>
Sent: Wed, Sep 21, 2011 3:09 pm
Subject: Re: Clam Pass Bridge Repair
Gary
I am looking into the options I will get back to you this week.
Derek Cronin PE
- - - -- Original Message---- -
From: McAlpinGary <GaryMcAlpin(cDcolliergov.net>
To: dperonin <dperonin(a)aol.com>
Cc: OchsLeo <LeoOchs(a)colliergov.net >; RamseyMarla <Marla Ra msey(a-)col I iergov. net>; WilliamsBarry
< BarrvWilliams (a.collieraov.net >; OlsonNancy <NancyOlson(a)collieraov.net >; PerrymanClinton
<ClintonPerryman a.collieraov .net >; Bart Zino <bzino(a)-pbscontractors.com>
Sent: Tue, Sep 20, 2011 5:35 pm
Subject: FW: Clam Pass Bridge Repair
Derek,
The last time we spoke, I indicated that we would inspect the piers at Clam Pass this year as
part of our maintenance program.
In our discussion, you indicated that the only way to positively inspect these piers was to open
them up and do a physical inspection. We talked about a cofferdam, remove 3 feet of material
and do a physical inspection. 9 piers are in the water. Working with Kelly Brothers and PBS,
we discussed a 5 or 6 foot diameter metal culvert split in the middle for a cofferdam and access
from the top of the bridge because of the shallowness of the water. We would use a mud pump
to pump it out and do the inspection. Your firm would do the inspections and recommendations.
Problem is permits and the cost. Since this is just an inspection, do we need any permits if we
truck the muck from the cofferdam to the landfill and backfill the hole with rock?
Packet Page -1293-
3/13/2012 Item 16.D.2.
The other issue is the cost. We really don't want to spend $250K for this inspection. We all
AAW
agreed that a visual inspection is required but that was before we understood that it would cost *;:
so much. Do you have any experience with structural divers or penetrating radar? Any other
suggestions or comments?
We'll open it up and do a physical inspection if we have to but.....
Comments?
Gary
From: Bart Zino fmailto :bzino(a)pbscontractors.coml
Sent: Tuesday, September 20, 2011 7:46 AM
To: McAlpinGary; PerrymanClinton
Subject: Clam Pass Bridge Repair
Guys,
Sorry this is taking so long. Questions came up and the scope of work is getting larger. Regarding
permits, what is the intent?
Possible permitting needs are Building Permit? DEP Permit? Army Corp permit? Dewatering Permit?
Anything else you can think of?
Regarding any and all of these permits, we can do the admin, but I will not have engineering, drawings,
surveys or other design services included. Don't forget the fees payable to all these agencies, I will not
have that included either, and you will need to reserve some money for everybody.
Give me direction as soon as possible and I will complete our proposal and get back to you. As it stands,
the coffer dams and dewatering, and the repairs listed in the Cronin Report are putting you north of
$200K. Let me know if we need to reassess before I go too deep. .
Bart Zino, LEED AP
President
D a
PBS Construction, Inc.
4395 Corporate Square
Naples, FL 34104
Office: 239 - 643 -6527
Fax: 239 - 643 -1080
Cell: 239 - 825 -3137
bzino(a-)pbscontractors. com
www.ipbscontractors.com
,,. 2010 Builder of the Near
it _ tigmopican hts:rlaulr q1 - trx*ife f1f1
140rida Sall itwev Chapter
Under Florida Law, e-mail addresses are public records. If you do not want your e-mail address released in response to a p
Packet Page -1294-
3/13/2012 Item 16.D.2.
From: Bart Zino jmai Ito: bzino( pbscontractors.comI
Sent: Wednesday, September 21, 20117:53 AM
To: McAlpinGary; dperonin(a )aol.com
Cc: OchsLeo; RamseyMarla; WilliamsBarry; OlsonNancy; PerrymanClinton
Subject: RE: Clam Pass Bridge Repair
Gary,
I may have mis- represented costs. The figure of "north of $200K" referred to the prescribed repairs to the
bents and frames as well as the visual inspection. The coffer dam and inspection situation by itself is
around $100K, plus permitting fees, and now if we are trucking muck and re- filling with stone, etc. there
will be some additional money for that, but not $150K..
Bart Zino, LEED AP
President
PBS Construction, Inc.
4395 Corporate Square
Naples, FL 34104
Office: 239 - 643 -6527
Fax: 239 - 643 -1080
Cell: 239 - 825 -3137
bzino()pbscontractors.com
www.pbscontractors.com
2010 Builder- of the Year
.aIm V•ir000 lu.Wfu e gl'imilitrt`tw
Florida 3'rxadto ul Chapter
From: McAlpinGary [ mai Ito: GaryMcAlpin(cbcolIieroov.net]
Sent: Tuesday, September 20, 20115:35 PM
To: dperonin(a)aol.com
Cc: OchsLeo; RamseyMarla; WilliamsBarry; OlsonNancy; PerrymanClinton; Bart Zino
Subject: FW: Clam Pass Bridge Repair
Derek,
The last time we spoke, I indicated that we would inspect the piers at Clam Pass this year as part of our
maintenance program.
In our discussion, you indicated that the only way to positively inspect these piers was to open them up
and do a physical inspection. We talked about a cofferdam, remove 3 feet of material and do a physical
inspection. 9 piers are in the water. Working with Kelly Brothers and PBS, we discussed a 5 or 6 foot
diameter metal culvert split in the middle for a cofferdam and access from the top of the bridge because
of the shallowness of the water. We would use a mud pump to pump it out and do the inspection. Your
firm would do the inspections and recommendations.
Packet Page -1295-
3/13/2012 Item 16.D.2.
Problem is permits and the cost. Since this is just an inspection, do we need any permits if we truck the
muck from the cofferdam to the landfill and backfill the hole with rock?
The other issue is the cost. We really don't want to spend $250K for this inspection. We all agreed that
a visual inspection is required but that was before we understood that it would cost so much. Do you
have any experience with structural divers or penetrating radar? Any other suggestions or comments?
We'll open it up and do a physical inspection if we have to but.....
Comments?
Gary
From: Bart Zino fmai Ito: bzinoCa pbscontractors.coml
Sent: Tuesday, September 20, 20117:46 AM
To: McAlpinGary; PerrymanClinton
Subject: Clam Pass Bridge Repair
Guys,
Sorry this is taking so long. Questions came up and the scope of work is getting larger. Regarding
permits, what is the intent?
Possible permitting needs are Building Permit? DEP Permit? Army Corp permit? Dewatering Permit?
Anything else you can think of?
Regarding any and all of these permits, we can do the admin, but I will not have engineering, drawings,
surveys or other design services included. Don't forget the fees payable to all these agencies, I will not
have that included either, and you will need to reserve some money for everybody.
Give me direction as soon as possible and I will complete our proposal and get back to you. As it stands,
the coffer dams and dewatering, and the repairs listed in the Cronin Report are putting you north of
$200K. Let me know if we need to reassess before I go too deep.
Bart Zino, LEED AP
President
D
NSF
PBS Construction, Inc.
4395 Corporate Square
Naples, FL 34104
Office: 239 - 643 -6527
Fax: 239 - 643 -1080
Cell: 239 - 825 -3137
bzino(a)pbscontractors.com
www.pbscontractors.com
� I
20 10 Builder of time Year
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Packet Page -1297-
3/13/2012 Item 16.D.2.
Cronin Engineering, Inc.
6627 Willow Park Drive
Naples, FL 34109
Phone: (239) 593 -2157
April 5, 2011
Collier County Coastal Zone Management
Collier County Government
3229 Tamiami Trail E
Naples, Fl. 34112
Re: Clam Pass Park Bridge
Clam Pass Park
Naples, Fl, 34102
Gary McAlpin
3/13/2012 Item 16.D.2.
Fax: (239) 593 -8820
OVERVIEW AND LIMITS OF INSPECTIONIREPORT
Cronin Engineering, Inc. conducted an inspection of the above wood
tramway /walkway on March 22, 2011. Collier County Coastal Management provided
nautical transportation to the tramway to evaluate the existing condition of the wood
framing of the tramway. We have not conducted a structural analysis of the tramway at
this point in time.
VISUAL AND PHYSICAL INSPECTION OBSERVATIONS
A visual inspection of the wood framing and hardware of the tramway was
conducted. The existing wood framing is approximately 10 years old. Below is a list of
the bridge /tramway structural components and the assessed condition.
1. The vertical columns supporting the tramway were pressure treated wood piles.
Due to the apparent high grade of pressure treatment of the piles that was visible
to the naked eye and physically tested with a knife were found to be in decent
condition. See attached photo's numbers 1 -2 on page 3.
2. In the drawbridge area the 4 x 14 pt board knee brace appeared to be in good
condition and structurally sound. These members are showing signs of weathering
which is common for exterior wood members. The 6 x 6 p.t. members attaching
the knee bracing to the 4 x 14 p.t. cross support member appeared to be in good
condition and structurally sound. The 3/4" HDG {hot- dipped galvanized} bolts
with flat washers and nuts were found to be loose due to the lack of lock nuts and
the constant vibration of vehicle and foot traffic. See attached photo's numbers 3-
7 on pages 4 -6.
3. The 3 x 8 p.t members on the west side of the drawbridge waterway were found
to be easily penetrated with a knife and appeared to have some degree of rot. See
attached photos number #8 on page 6.
4. 4 x 4 p.t. post attaching the tramway beams to the support beams has a split. See
attached photo number #9 on page 7.
Packet Page -1298-
3/13/2012 Item 16.D.2.
5. The 4 x 14 p.t. board beams that support the tramway appear to be in good
condition and structurally sound. See attached photo number #9 on page 7.
6. The p.t. cross - bracing members between the piles appear to be in good condition
with the exception on the span on the west side of the drawbridge area. Splitting
has occurred where they are attached to south piling. See attached photo number
#10 on page 7.
7. The {4} 6" x 6" x 3/8" angle steel connecting the top portion each of the p.t. knee
braces appears to be in good condition. See attached photo number #11 on page 8.
CONCLUSIONS
The existing bridge /tramway wood members appear to be in decent condition for
their age. We only require the replacement of the following:
1. All the existing steel hardware such as bolts, nuts, flat washers
should be replaced with HDG (hot - dipped galvanized) bolts, nuts
and flat washers. Recommend adding HDG lock washers to each
of the bolts, nuts, and flat washers.
2. Replace the steel angle clips at the top of the knee braces with one
steel angle clip with (3) 3/4" x 8" HDG bolts, nuts, lock washers and
flat washers at the top and side attachment points.
3. Replace split cross bracing and add blocking to middle of cross
bracing and attach with 3/4" x 12" HDG bolt, nut, lock washer and
flat washer.
4. Replace all 3 x 8 p.t. members.
5. Replace all 4 x 4 p.t. posts and hardware.
The implementation of a maintenance program of the wood structure such as the
addition of a stain every 2 to 3 years will increase the life span of most of the wood
components used in the construction of the tramway/bridge. Periodic maintenance of the
hardware such as checking for tightness at all the attachment points would cut down on
the vibration.
Sincerely,
Derek P. Cronin, PE #553 r201
Principal,
2
Packet Page -1299-
3/13/2012 Item 16.D.2.
CLAM PARK PASS TRAMWAY/BRIDGE PHOTOGRAPHS
PHOTO #1: CLAM PARK PASS WOOD PILES
PHOTO #2: PILES LOCATED AT THE DRAWBRIDGE AREA OF THE TRAMWAY.
3
Packet Page -1300-
3/13/2012 Item 16.D.2.
PHOTO #3: 4 X 14 P.T. KNEE BRACES AT THE DRAWBRIDGE AREA OF TRAMWAY. SEE
ARROWS.
PHOTO #4: 6 X 6 P.T. POST ATTACHMENT POINT OF KNEE BRACING AT THE
DRAWBRIDGE AREA. SEE ARROWS.
Packet Page -1301-
3/13/2012 Item 16.D.2.
PHOTO #5: 4 X 14 P.T. MEMBER ATTACHMENT OF KNEE BRACING. SEE ARROW.
PHOTO #6: 4 X 14 P.T. MEMBER ATTACHMENT OF KNEE BRACING. SEE ARROW.
5
Packet Page -1302-
3/13/2012 Item 16.D.2.
PHOTO #7: HARDWARE AT THE ATTACHMENT POINTS WAS FOUND TO BE LOOSE;
LACK OF LOCK WASHERS AND INTERMITTMENT VIBRATION DUE TO VEHICULAR
TRAFFIC MAY HAVE CONTRIBUTED TO THIS CONDITION. SEE ARROWS.
PHOTO #8: 3 x 8 P.T. BOARDS ON THE WEST SIDE OF THE DRAWBRIDGE WATERWAY
WERE FOUND TO HAVE SOME DEGREE OF ROT.
Packet Page -1303-
3/13/2012 Item 16.D.2.
PHOTO #9: 4x 4 P.T..POST ATTACHING BOTTOM MEMBER TO UPPER SUPPORT BEAM
SPLIT. UPPER AND BOTTOM MEMBERS APPEAR TO BE IN GOOD CONDITION. SEE
ARROWS.
PHOTO # 10: CROSS BRACING SPLIT AND DETERIORATED HARDWARE. SEE ARROWS.
7
Packet Page -1304-
3/13/2012 Item 16.D.2.
PHOTO # Il: STEEL ANGLE CLIPS AT THE TOP PORTION OF KNEE BRACING APPEARS
TO BE IN GOOD CONDITION. SEE ARROWS.
Packet Page -1305-