/* ===== BLOCK 2 ===== */
.tt-maint-scope {
background: #f7fafd;
padding: 110px 0;
font-family: 'Segoe UI', Tahoma, Arial, sans-serif;
}
.tt-container { max-width: 1180px; width: 92%; margin: 0 auto; }
.tt-section-label {
display: inline-block; font-size: 12px; font-weight: 700;
letter-spacing: 2px; text-transform: uppercase;
color: #0878e8; margin-bottom: 12px;
position: relative; padding-right: 40px;
}
.tt-section-label::before {
content: ""; position: absolute; right: 0; top: 50%;
width: 28px; height: 2px; background: #16c9ff;
}
.tt-maint-header {
text-align: center; max-width: 780px; margin: 0 auto 60px;
}
.tt-maint-header h2 {
font-size: clamp(28px, 3.5vw, 44px); font-weight: 900;
color: #0a2a5e; margin: 0 0 16px; letter-spacing: -0.5px;
}
.tt-maint-header p {
font-size: 16px; color: #6b7a90; line-height: 1.8; margin: 0;
}
.tt-maint-grid {
display: grid; grid-template-columns: repeat(3,1fr); gap: 28px;
}
.tt-maint-card {
background: #ffffff; border-radius: 22px; overflow: hidden;
box-shadow: 0 12px 40px rgba(10,42,94,0.08);
border: 1px solid rgba(10,42,94,0.06);
transition: all 0.5s cubic-bezier(0.25,0.46,0.45,0.94);
display: flex; flex-direction: column;
}
.tt-maint-card:hover {
transform: translateY(-12px);
box-shadow: 0 30px 65px rgba(8,120,232,0.18);
border-color: rgba(8,120,232,0.25);
}
.tt-maint-img {
width: 100%; height: 200px; object-fit: cover; display: block;
background: #e8f1fb;
transition: transform 0.8s cubic-bezier(0.22,1,0.36,1);
}
.tt-maint-card:hover .tt-maint-img { transform: scale(1.08); }
.tt-maint-body { padding: 28px 24px; flex: 1; display: flex; flex-direction: column; }
.tt-maint-num {
display: inline-flex; align-items: center; justify-content: center;
width: 42px; height: 42px; border-radius: 12px;
background: linear-gradient(135deg, #0878e8, #16c9ff);
color: #ffffff; font-weight: 900; font-size: 16px;
margin-bottom: 16px;
box-shadow: 0 8px 20px rgba(8,120,232,0.3);
}
.tt-maint-body h3 {
font-size: 18px; font-weight: 800; color: #0a2a5e;
margin: 0 0 12px; line-height: 1.3;
}
.tt-maint-specs {
list-style: none; padding: 0; margin: 0 0 18px; flex: 1;
}
.tt-maint-specs li {
font-size: 13px; line-height: 1.8; color: #6b7a90;
padding-right: 16px; position: relative;
}
.tt-maint-specs li::before {
content: "▸"; position: absolute; right: 0; color: #0878e8;
font-weight: 700;
}
.tt-maint-specs li strong { color: #0a2a5e; font-weight: 700; }
.tt-reveal {
opacity: 0; transform: translateY(50px);
transition: opacity 0.9s cubic-bezier(0.22,1,0.36,1), transform 0.9s cubic-bezier(0.22,1,0.36,1);
}
.tt-reveal.tt-visible { opacity: 1; transform: translateY(0); }
@media (max-width: 1024px) { .tt-maint-grid { grid-template-columns: repeat(2,1fr); gap: 20px; } }
@media (max-width: 600px) {
.tt-maint-scope { padding: 60px 0; }
.tt-maint-grid { grid-template-columns: 1fr; gap: 20px; }
.tt-maint-img { height: 180px; }
}
(function(){
var els = document.querySelectorAll('#tt-maint-scope .tt-reveal');
if (!('IntersectionObserver' in window)) { els.forEach(function(e){ e.classList.add('tt-visible'); }); return; }
var obs = new IntersectionObserver(function(entries){
entries.forEach(function(entry){
if (entry.isIntersecting) {
var el = entry.target;
var delay = parseInt(el.getAttribute('data-delay') || '0', 10);
setTimeout(function(){ el.classList.add('tt-visible'); }, delay);
obs.unobserve(el);
}
});
}, { threshold: 0.12, rootMargin: '0px 0px -60px 0px' });
els.forEach(function(e){ obs.observe(e); });
})();
MAINTENANCE SCOPE
What the Maintenance Service Covers
Six maintenance services — delivered individually, or as part of an annual contract.
01
Preventive Maintenance (PM)
- Frequency: Monthly / Quarterly / Semi-annual / Annual
- Pumps: vibration, seal check, oil change, alignment
- Membranes: flow & rejection trending, ΔP checks
- Filters: cartridge replacement, ΔP monitoring
- Instruments: calibration & verification
- Deliverable: Signed PM report after every visit
02
Membrane CIP Cleaning
- Low pH cleaning: BWA Flocon MC3 (3.0–3.5)
- High pH cleaning: Flocon MC11 / Kleen MCT404
- Neutral: Kleen MCT404 (organic foulants)
- Dilution: MC3 at 25 g/L
- Procedure: flush → soak → recirculate → rinse
- Deliverable: CIP log with pre/post flow & rejection
03
Chemical Dosing Tuning
- Antiscalant: adjust per LSI / SDSI trending
- Biocide: optimize dose & frequency
- Oxygen scavenger: per DO measurement
- Corrosion inhibitor: per coupon & LPR data
- Pump calibration: within ±5% of setpoint
- Deliverable: Updated dosing schedule & setpoints
04
Membrane Autopsy & Analysis
- Visual inspection: element extraction & photos
- Foulant analysis: organic, inorganic, biological
- Scaling identification: CaCO₃, CaSO₄, silica, iron
- Surface analysis: SEM / EDX (on request)
- Performance loss diagnosis: root cause report
- Deliverable: Autopsy report with recommendations
05
CIP Skid & Chemical Supply
- CIP skid: portable cleaning unit with heater
- Tank options: 100 / 200 / 500 L
- Pump: low-pressure recirculation pump
- Chemicals: Flocon MC3, MC11, Kleen MCT404
- Spares: cartridges, membranes, pump seals
- Deliverable: Continuous chemical & spares supply
06
24/7 Emergency Support
- Response time: within 24–48 hours (Egypt)
- Remote support: phone / WhatsApp / email
- On-site response: service engineer mobilisation
- Diagnosis: system review & corrective plan
- Spare availability: stock of critical parts
- Deliverable: Emergency service ticket + follow-up