SAY-CORE STAYS WITH YOU START TO FINISH

At SAY-CORE, we are ready to do far more than just provide precast, prestressed building materials. Our Engineering Department will turn your architectural drawings and specifications into detailed shop drawings, showing you every floor framing plan and layout of your project, including all sections, details, and openings, plus comprehensive easy to read load tables.

DELIVERY OF PRODUCT

In most cases, 14-21 days after approval of the shop drawings, SAY-CORE can deliver packaged loads of plank on our own trucks. Slabs will be numbered and ready to be installed.

ERECTION

Our supervised erection crews are specially trained to install the SAY-CORE slabs and continue to level and grout the slabs in order to provide a finished ready to use surface. After the building is under roof, our trained finish crew will point and caulk all exposed underside joints if required. We will stand by to provide any technical assistance needed through to finishing.

At SAY-CORE, we believe we offer one of the finest values in construction materials today – and we are committed to making sure our service matches our product.

SAY-CORE SPECIFICATIONS

Scope

This section includes the furnishing, delivery, and erection of precast, prestressed concrete hollow core floor and roof slabs. SAY-CORE slabs are to be installed on continuous bearing surfaces prepared true to line and elevation by others. The bearing surfaces shall be such as to provide a minimum of 3 ½” bearing on masonry and 3” on structural steel supports.

Material

The SAY-CORE hollow core plank shall be manufactured of high strength concrete, grout key edged, machine extruded slabs. The slabs shall be 6”, 8”, 10”, or 12” depths and 48” standard width. After curing, the slabs shall then be cut and/or ripped to the lengths and widths indicated on the approved SAY-CORE shop drawings. All concrete materials shall be cleaned and properly graded producing concrete having a minimum strength of 3,500 psi at 24 hours and 6,000 psi at 28 days. Reinforcing shall be 270K uncoated lo-relaxation strand: per ASTM A-416 specifications and latest revisions.

Manufacture

Manufacturing procedures and tolerances shall in compliance with PCI manual – 116.

Shop Drawings

SAY-CORE shall provide to the contractor and architect detailed shop drawings, showing the framing plans, plank size, reinforcing, openings, and all sections and details necessary for the proper installation of the deck. Design calculations shall be furnished when required.

Erection

The SAY-CORE slabs shall be installed by the manufacturer or under his direct supervision, in a tight level position, making sure that the proper angle to the bearing walls is maintained. SAY-CORE shall cooperate with the other trades to permit proper location of openings, columns, grout keys, etc.

Openings

Openings one plank width or wider to be provided by the SAY-CORE manufacture. Openings not requiring structural headers are to be core drilled or saw cut through the plank by the traders requiring the openings. Openings requiring the cutting of prestressing strands must be coordinated with the SAY-CORE manufacture. Framing of openings requiring structural headers is accomplished with standard SAY-CORE headers. The size and location of all openings and penetrations passing through the plank must be shown on the approved shop drawings.

Structural Bearing Surfaces

Smooth and level bearing surfaces must be provided by others for SAY-CORE erection crew. Minimum recommended bearing is 3 ½” on masonry walls and a minimum of 3” on structural steel.

Non-Load Bearing Partitions

In order to make allowances for possible temperature movement, non-load bearing partitions should not be connected rigidly to the SAY-CORE planks. Details can be provided by SAY-CORE.

Caulking

Longitudinal joints between slabs should be caulked with a uniform bead in joint, where the underside of the plank is exposed. When the exposed surface is the finished surface, use nonstaining caulking.

Painting and Finishing

The underside of the SAY-CORE plank has a smooth steel form finish suitable, without further treatment, for textured paint application or acoustic plaster. If the top side of the SAY-CORE plank is not receiving concrete topping or underlayment, it is recommended that a minimum ½” self leveler be applied.

Erection, Handling

The grout keys provide a pick-up point for the SAY-CORE special tong type handling equipment. No embedded lifting devices are required. The plank are to be leveled, aligned, and made ready for grouting.

Special Load Conditions

Special load conditions not covered by the SAY-CORE load tables can be usually designed for by SAY-CORE structural engineers.

NOTES TO ARCHITECTS, ENGINEERS & CONTRACTORS

Shop Drawings

Shop drawings should be prepared by the SAY-CORE engineering department for review and approval by the architect, engineer and contractor.

Special Slab Widths

The SAY-CORE extrusion machine produces a 48” standard wide slab. Narrower width slabs must be sawed to the required width by SAY-CORE. For the greatest economy, decks should be laid out for the maximum use of 48” wide SAY-CORE slabs.

Non-Structural Connectors & Hangers

Since screw inserts, hanger tabs, studs, pipe hangers, etc., cannot be embedded in the SAY-CORE slabs during the manufacturing process, designers should make maximum use of the simple procedure of placing such connector in the cores or grout keys as a job site operation by the contactor or the trades requiring same.

Openings

The extrusion process precludes forming openings during manufacture of the SAY-CORE slabs. Large openings, one full slab width or more, are accomplished with SAY-CORE steel headers appropriately supported by adjacent slabs, walls, columns or otherwise. Small openings, 6” or less, can be field drilled through the plank core or keys, as required by all trades. Intermediate openings, requiring the cutting of the prestressed strands, must be discussed and reviewed with SAY-CORE for the safest, most efficient and economical solution. Note: All openings must be shown on the SAY-CORE shop drawings so additional reinforcement can be provided if required.

Cantilevered Plank

Unsupported side projects of SAY-CORE plank should be limited to 12” Normally required end cantilevers are readily obtained with special placing of top prestressing strands.

Grout Key

All grout keys should be filled with 3:1 sand cement grout to assure the distribution of loads to adjacent slabs. Grout in plank keys should be allowed to cure before topping is placed to prevent cracking of the topping. Grout leakage must be removed before it hardens in finished ceiling areas.

IMPORTANT NOTE

All load tables are for general reference only and are based on 1999 code. Actual allowable loads will vary due to engineering and code parameters.