Florida Certified Marine Specialty Contractor Exam

A geotechnical soil report is required before designing a marine pile foundation. Which of the following is the primary purpose of the report in the context of the Marine Specialty content outline?

• ATo establish the soil bearing capacity, groundwater conditions, and appropriate foundatio…
• BTo determine the property survey boundaries and riparian ownership limits
• CTo specify the architectural finish schedule for the dock deck and railing
• DTo set the project mobilization timeline and equipment delivery dates

In the Unified Soil Classification System (USCS), the symbol "SP" identifies which soil type, and why does it matter for marine pile driving?

• AWell-graded sand, which densifies under vibration and provides high skin friction
• BPoorly graded sand, which is cohesionless and prone to liquefaction and scour in a marine…
• CSilty peat, which compresses severely and offers very low bearing capacity
• DSoft clay of high plasticity, which provides high adhesion but low tip resistance

A 12-in square precast concrete pile is driven to bearing in dense sand. The geotechnical report gives an ultimate end-bearing capacity of 18,000 lb/ft² at the tip and an ultimate skin friction of 550 lb/ft² over the 30-ft embedded length. Ignoring the pile weight, what is the closest ultimate axial capacity of the pile?

• AApproximately 232,500 lb
• BApproximately 16,500 lb
• CApproximately 1,080,000 lb
• DApproximately 198,000 lb

A site soil report shows a seasonal high groundwater table at elevation +2.0 ft NAVD88 in a tidal area with mean high water at +3.5 ft. What is the most significant effect on driven pile installation?

• AThe saturated soils reduce effective stress, lowering driving resistance and requiring de…
• BGroundwater has no measurable effect on pile driving behavior or capacity
• CThe high water table increases soil grain interlock and dramatically raises driving resis…
• DThe water table eliminates the need for a pile hammer and allows piles to be set by hand

Which Florida nearshore soil condition presents the greatest risk to a fixed dock pile foundation and typically requires the deepest embedment or supplementary anchoring?

• ALoose, poorly graded sand over a soft mud layer, susceptible to scour and liquefaction
• BDense well-graded sand with a deep, stable bearing stratum
• CStiff limestone bedrock near the surface
• DCompacted clay with low plasticity and a deep water table

Much of peninsular Florida is underlain by limestone and dolomite with karst features. Which condition should a marine contractor most closely investigate from the soil report when a karst feature is suspected at a pile location?

• ASolution cavities or sinkholes that can collapse under pile loading and require remediati…
• BAn abundance of well-graded sand that improves pile tip bearing
• CA shallow perched water table that increases soil grain interlock
• DA high concentration of organic peat that improves lateral pile stiffness

In a Standard Penetration Test (SPT) boring log, the N-value (blow count) is reported as N = 4 over a 1-ft interval in a marine clay. What does this most directly indicate to the marine contractor?

• AVery soft clay with low undrained shear strength, requiring longer piles or wider pile ca…
• BDense sand with high end-bearing capacity suitable for short piles
• CStiff clay with adequate bearing for shallow footings
• DGravelly soil with excellent drainage and high friction angle

A marine contractor is planning a fixed dock in a navigable canal. Which federal agency must issue a Section 10 permit under the Rivers and Harbors Act of 1899 before work can begin?

• AU.S. Army Corps of Engineers (USACE)
• BFlorida Department of Environmental Protection (FDEP)
• CU.S. Coast Guard
• DFlorida Fish and Wildlife Conservation Commission (FWC)

When preparing construction documents for a marine dock, the contractor distinguishes dead load from live load. Which of the following is correctly classified?

• ADead load includes the weight of the permanent structure, decking, and fixed equipment; l…
• BDead load includes wind and wave forces; live load includes only the structure's self-wei…
• CDead load includes vessel impact and mooring loads; live load includes the deck boards on…
• DDead load includes pedestrian traffic; live load includes the pile and wale self-weight

Under the Florida Building Code, which wind exposure category most commonly applies to a marine structure built over open water with no upwind obstruction?

• AExposure D, representing unobstructed open water with sustained wind flow
• BExposure A, representing dense urban centers
• CExposure B, representing suburban and wooded terrain
• DExposure C, representing open terrain with scattered obstructions

A marine contractor plans to build a private dock extending into a sovereign submerged land (SSL) waterbody in Florida. Which state permit authorizes the use of SSL and the associated docking structure?

• AAn Environmental Resource Permit (ERP) combined with a submerged lands authorization (lea…
• BA building permit only from the local city building department
• CA Section 10 permit only from the U.S. Army Corps of Engineers
• DA Coast Guard Navigation Permit only

A project timeline for a marine seawall rebuild includes environmental permitting. Which factor most commonly extends the schedule beyond a typical upland project?

• AMulti-agency environmental review (USACE, FDEP, and possibly NMFS/USFWS sea-turtle or man…
• BThe availability of pile-driving hammers
• CThe cost of concrete mix design
• DThe width of the access road to the site

Under OSHA Hazard Communication, the document that suppliers must provide for hazardous marine construction materials (e.g., epoxy coatings, fuel, treated-wood preservatives) is now called:

• ASafety Data Sheet (SDS), which replaced the older Material Safety Data Sheet (MSDS) under…
• BProject Operations Manual (POM)
• CContractor Safety Plan (CSP)
• DEnvironmental Resource Permit (ERP)

For marine lumber framing, which property most directly determines the maximum allowable span between deck joists under a given load?

• AThe allowable bending stress (Fb) and modulus of elasticity (E) of the species and grade,…
• BThe color of the lumber
• CThe shipping origin of the lumber
• DThe retail price per linear foot

A waterfront property owner's rights to access and use the water adjacent to their upland parcel are best described as:

• ARiparian rights for flowing waters (rivers/streams) and littoral rights for standing wate…
• BAbsolute ownership of the submerged land to the centerline of the waterbody
• CA federal easement granted by the U.S. Army Corps of Engineers
• DA revocable building permit issued by the local building department

Which best management practice (BMP) is most directly used during marine construction to prevent suspended sediment from leaving the project area in tidal or flowing water?

• AA floating turbidity barrier (silt curtain) installed around the active in-water work area
• BA chain-link fence on the upland property line
• CA roof gutter downspout extension
• DA mow strip along the upland driveway

Which foundation system is most commonly used for a fixed marine dock in Florida waters where the seabed is loose sand over a deeper competent layer?

• ADriven timber or precast concrete piles extending into the competent bearing stratum
• BShallow spread footings placed directly on the loose sand surface
• CGrade beams on compacted fill with no deep foundation
• DHelical piers installed only to the mudline surface

Before excavating or driving piles on a marine project, the contractor must contact Sunshine 811 (Florida's one-call system). What is the primary purpose of this notification?

• ATo have underground utilities located and marked so excavation or driving does not damage…
• BTo schedule the Coast Guard inspection of the project
• CTo apply for the Environmental Resource Permit
• DTo order concrete delivery to the site

When ordering marine construction materials, the contractor considers freight characteristics. Which material is most likely to require specialized oversized-load transport and escort vehicles?

• A60-ft precast concrete piles
• BBoxes of stainless-steel fasteners
• CRolls of geotextile filter fabric
• DGallons of epoxy coating

For driving 80-ft piles at a site with no upland access, which equipment setup is most appropriate?

• AA crane barge or spud barge mounted with a pile-driving hammer and leads
• BA rubber-tired land crane staged on the seawall cap
• CA pickup truck with a trailer-mounted auger
• DA skid-steer loader with an auger attachment

Under the U.S. Longshore and Harbor Workers' Compensation Act (USL&H), coverage is generally required when marine construction work is performed:

• AOver, on, or adjacent to navigable waters, where the work is maritime in nature and a sub…
• BOnly on dry land more than one mile from any waterbody
• CSolely in an upland contractor's office
• DOnly for residential roofing projects inland

Which statement correctly distinguishes the Jones Act from the U.S. Longshore and Harbor Workers' Compensation Act (USL&H) for a marine contractor's crew?

• AThe Jones Act covers a vessel's crew members (seamen) as their employer's remedy, while U…
• BBoth acts are identical and cover the same workers identically
• CThe Jones Act covers only office administrative staff, while USL&H covers field workers
• DThe Jones Act covers only recreational boaters, while USL&H covers commercial contractors

What is the primary purpose of the pre-construction meeting on a marine project?

• ATo review site conditions, project scope, schedule, safety plan, and subcontractor coordi…
• BTo finalize the architectural color palette of the dock
• CTo collect final payment from the owner in full
• DTo obtain the contractor's business license from the city

When mobilizing a crane barge and tug to a marine project site, which federal agency's regulations govern vessel operation, inspection, and safety equipment on the navigable waters of the United States?

• AU.S. Coast Guard under Title 46 of the Code of Federal Regulations
• BFlorida Department of Transportation
• CU.S. Environmental Protection Agency
• DLocal homeowners association

When assigning project personnel to a marine pile-driving operation, which insurance consideration must the contractor verify for crew working from a barge over navigable water?

• AU.S. Longshore and Harbor Workers' Compensation (USL&H) coverage in addition to standard…
• BHomeowners insurance on the upland property
• CAuto liability coverage on pickup trucks only
• DFlood insurance on the contractor's office

A marine project adjoins a residential community with a Homeowners Association. Which statement best reflects the contractor's obligation when investigating site conditions?

• AThe contractor should review HOA covenants, deed restrictions, and access easements that…
• BHOA rules are federal law and override all local building codes
• CHOA rules are irrelevant to any marine construction activity and need not be reviewed
• DHOA rules apply only to the underwater portion of the project

An emergency response plan for an over-water pile-driving operation must, at a minimum, address which scenario that is unique to marine work?

• AA crew member falling into the water and requiring rescue, with a designated rescue craft…
• BA paper cut in the project office
• CA coffee spill in the contractor's truck
• DA power outage at the local hardware store

On a marine project, treated wood preservatives, epoxy coatings, and fuel all require a Safety Data Sheet (SDS). Which of the following is the primary reason the contractor must keep SDSs on site?

• ATo provide hazard, first-aid, and spill-response information immediately available to wor…
• BTo decorate the construction trailer
• CTo serve as the project permit application
• DTo replace the project schedule

Marine equipment delivery is often constrained by the tidal cycle at a site with a shallow approach channel. Which strategy best manages this constraint?

• ASchedule barge and equipment delivery to coincide with the high-tide window when water de…
• BDeliver equipment at random times without checking tide charts
• CWait for the lowest tide to ensure maximum barge grounding
• DIgnore tides because they have no effect on barge draft

Commercial diving operations supporting marine construction (e.g., underwater inspection or pile cutoff) are regulated under which OSHA standard?

• A29 CFR 1926 Subpart Y (Commercial Diving Operations)
• B29 CFR 1926 Subpart X (Stairways and Ladders)
• C29 CFR 1926 Subpart L (Scaffolds)
• D29 CFR 1926 Subpart P (Excavations)

Which lumber product is the standard marine-grade material for dock decking and framing exposed to splash and periodic immersion in Florida waters?

• APressure-treated southern yellow pine with a marine-retention level of preservative (typi…
• BUntreated interior spruce-pine-fir
• CUntreated eastern white pine
• DStandard kiln-dried framing lumber with no preservative

A typical pile-driving crew for a marine dock project includes which core composition?

• AA crane operator, pile-driving foreman, signal person, and pile-guiding riggers, often wi…
• BA single laborer with a hammer
• CAn architect and a building inspector only
• DA concrete finisher and a masonry tender only

Which security measure is most appropriate for a marine jobsite where equipment and materials are staged on a barge over navigable water?

• ASecuring the barge with proper moorings, locking access hatches, removing small equipment…
• BLeaving the barge unlocked and unmoored with no lighting
• CPosting only a paper sign on the seawall that says "keep out"
• DRelying solely on a neighborhood watch with no on-site controls

When demolishing an existing marine structure (e.g., an old timber dock), which combination of knowledge is most critical per the Marine Specialty outline?

• AHeavy equipment, disposal sites, HazMat requirements, soil conditions, existing structure…
• BPaint color selection and landscaping design
• CInterior cabinetry and finish carpentry
• DResidential roofing shingle matching

When laying out a new dock structure location over water, which combination of survey inputs is required by the Marine Specialty outline?

• AProperty survey, riparian law knowledge, survey methods and equipment, project parameters…
• BOnly a hand sketch on a napkin
• COnly the contractor's memory of the site
• DOnly a satellite photo with no field survey

For a cast-in-place concrete footer in a splash-and-tide zone, which mixture characteristic is most important to long-term durability?

• ALow permeability, achieved through a low water-cement ratio, air entrainment, and chlorid…
• BMaximum slump to make placement as fast as possible
• CThe highest water-cement ratio practical for workability
• DNo air entrainment because marine concrete should be dense with no voids

A marine footer is 3 ft by 3 ft by 18 in deep. How many cubic yards of concrete are required, to the nearest 0.1 CY?

• AApproximately 0.5 CY
• BApproximately 1.5 CY
• CApproximately 4.5 CY
• DApproximately 13.5 CY

When installing structure piling, which statement correctly compares vibratory and impact hammers?

• AVibratory hammers drive piles faster in sandy soils but may not develop the same axial ca…
• BVibratory and impact hammers are interchangeable and produce identical capacity in all so…
• CImpact hammers cannot drive piles in sand under any condition
• DVibratory hammers always produce higher capacity than impact hammers in clay

What is the primary purpose of using a jet pump during pile installation in sandy marine soils?

• ATo use high-pressure water to temporarily loosen and fluidize the sand, reducing driving…
• BTo cool the pile hammer during continuous driving
• CTo pump seawater onto the deck for cleaning
• DTo pressurize concrete during placement

A residential dock is 24 ft long and 8 ft wide, with piles at 8-ft on-center spacing along each side. How many piles are required for the two longitudinal pile lines (excluding any optional lateral bracing piles)?

• A8 piles (4 per side)
• B3 piles
• C24 piles
• D32 piles

A pile is driven with an impact hammer. The contractor uses a dynamic pile-driving formula (e.g., the Modified Engineering News formula) to estimate capacity. What is the fundamental limitation of such formulas that a marine contractor must recognize?

• ADynamic formulas estimate static capacity from driving behavior and can be inaccurate in…
• BDynamic formulas are more accurate than static load tests in every soil type
• CDynamic formulas cannot be used in any soil under any circumstance
• DDynamic formulas only work for steel piles and never for timber or concrete

Which concrete conveying system is most commonly used to place concrete at a marine footer located over water with no upland pump reach?

• AA concrete pump truck staged on a barge, or a boom pump mounted on a barge, delivering co…
• BA wheelbarrow pushed across a plank
• CConcrete buckets carried by hand down a ladder
• DA garden hose connected to a municipal water supply

Before installing a soil stabilization system along an eroding shoreline, which three site conditions must the contractor assess per the Marine Specialty outline?

• ASurvey and layout, hydrology, and tidal conditions
• BPaint color, finish schedule, and landscaping palette
• CRoof pitch, gutter size, and downspout count
• DPool tile, deck stain, and spa depth

Which combination is the most common geotextile-and-armor shoreline stabilization system for moderate wave energy in Florida?

• AA geotextile filter fabric underlayer with graded riprap armor stone placed over it to re…
• BBare soil graded to a flat slope with no armor
• COnly landscape sod placed directly on the eroding bank
• DOnly a thin sand layer with no geotextile

A seawall cap (concrete wale) is 40 ft long, 1 ft wide, and 2 ft deep. How many cubic yards of concrete are required, to the nearest 0.1 CY?

• AApproximately 3.0 CY
• BApproximately 80 CY
• CApproximately 0.1 CY
• DApproximately 2,160 CY

When installing a cast-in-place concrete seawall, which sequence of operations is correct?

• ASet formwork, install reinforcement, place and consolidate concrete, finish, cure, then s…
• BPlace concrete first, then install formwork and reinforcement
• CInstall reinforcement after the concrete has cured
• DStrip forms immediately after the concrete truck leaves, before any curing

Which statement best describes the installation of a precast concrete seawall panel compared with a cast-in-place wall?

• APrecast panels are cast off-site, transported, set in a prepared trench or on a footing,…
• BPrecast panels must be cast in the water at the final location
• CPrecast panels cannot be used in any marine environment
• DPrecast panels are made of wood, not concrete