diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index 82a1bf7..1482dcd 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -1,24 +1,8 @@
-// Datasource configuration
 datasource db {
     provider = "sqlserver"
     url      = env("DATABASE_URL")
 }
 
-// Enums for Request
-enum RequestType {
-    NEW_USER
-    CHANGE_LEVEL
-    DELETE
-}
-
-enum RequestOutcome {
-    FULFILLED
-    REJECTED
-    IN_PROGRESS
-    CANCELLED
-    OTHER
-}
-
 // User model
 model User {
     id                 Int        @id @default(autoincrement())
@@ -26,20 +10,19 @@ model User {
     name               String
     email              String     @unique
     passwordHash       String
-    role               String     @default("GUEST") @db.VarChar(10) // ADMIN, SCIENTIST, GUEST
+    role               String     @default("GUEST") @db.VarChar(10) // Allowed: ADMIN, SCIENTIST, GUEST
     scientist          Scientist? @relation
     purchasedArtefacts Artefact[] @relation("UserPurchasedArtefacts")
     requests           Request[]  @relation("UserRequests")
 }
 
-// Request model
 model Request {
-    id               Int            @id @default(autoincrement())
-    createdAt        DateTime       @default(now())
-    requestType      RequestType
-    requestingUser   User           @relation("UserRequests", fields: [requestingUserId], references: [id])
+    id               Int      @id @default(autoincrement())
+    createdAt        DateTime @default(now())
+    requestType      String   @db.VarChar(20) // Allowed: NEW_USER, CHANGE_LEVEL, DELETE
+    requestingUser   User     @relation("UserRequests", fields: [requestingUserId], references: [id])
     requestingUserId Int
-    outcome          RequestOutcome @default(IN_PROGRESS)
+    outcome          String   @default("IN_PROGRESS") @db.VarChar(20) // Allowed: FULFILLED, REJECTED, IN_PROGRESS, CANCELLED, OTHER
 }
 
 // Scientist model
@@ -58,7 +41,6 @@ model Scientist {
     artefacts     Artefact[]    @relation("ScientistArtefactCreator")
 }
 
-// Earthquake model
 model Earthquake {
     id            Int           @id @default(autoincrement())
     createdAt     DateTime      @default(now())
@@ -75,7 +57,6 @@ model Earthquake {
     observatories Observatory[] @relation("EarthquakeObservatory")
 }
 
-// Observatory model
 model Observatory {
     id                  Int          @id @default(autoincrement())
     createdAt           DateTime     @default(now())
@@ -92,13 +73,12 @@ model Observatory {
     earthquakes         Earthquake[] @relation("EarthquakeObservatory")
 }
 
-// Artefact model
 model Artefact {
     id              Int        @id @default(autoincrement())
     createdAt       DateTime   @default(now())
     updatedAt       DateTime   @updatedAt
     type            String     @db.VarChar(50) // Lava, Tephra, Ash, Soil
-    warehouseArea   String // Examples: "ZoneA-Shelf1", "ZoneB-Rack2", "ZoneC-Bin3"
+    warehouseArea   String
     description     String
     earthquakeId    Int
     earthquake      Earthquake @relation(fields: [earthquakeId], references: [id])
@@ -106,7 +86,7 @@ model Artefact {
     creator         Scientist? @relation("ScientistArtefactCreator", fields: [creatorId], references: [id], onDelete: NoAction, onUpdate: NoAction)
     required        Boolean    @default(true)
     dateAddedToShop DateTime?
-    shopPrice       Float? // In Euros
+    shopPrice       Float?
     purchased       Boolean    @default(false)
     purchasedById   Int?
     purchasedBy     User?      @relation("UserPurchasedArtefacts", fields: [purchasedById], references: [id], onDelete: NoAction, onUpdate: NoAction)
@@ -117,6 +97,6 @@ model Pallet {
     id            Int      @id @default(autoincrement())
     createdAt     DateTime @default(now())
     updatedAt     DateTime @updatedAt
-    warehouseArea String // Examples: "ZoneA-Shelf1", "ZoneB-Rack2", "ZoneC-Bin3"
+    warehouseArea String
     palletNote    String
 }
diff --git a/src/app/api/import-requests/route.ts b/src/app/api/import-requests/route.ts
index e792b66..1ca4a67 100644
--- a/src/app/api/import-requests/route.ts
+++ b/src/app/api/import-requests/route.ts
@@ -1,60 +1,61 @@
 import { NextResponse } from "next/server";
-import { PrismaClient, RequestType, RequestOutcome } from "@prisma/client";
+import { PrismaClient } from "@prisma/client";
 import fs from "fs/promises";
 import path from "path";
 import { parse } from "csv-parse/sync";
 
-// Path to CSV file
 const csvFilePath = path.resolve(process.cwd(), "public/requests.csv");
 const prisma = new PrismaClient();
 
+type RequestType = "NEW_USER" | "CHANGE_LEVEL" | "DELETE";
+type RequestOutcome = "FULFILLED" | "REJECTED" | "IN_PROGRESS" | "CANCELLED" | "OTHER";
+
 type CsvRow = {
   RequestType: string;
-  RequestingUserId: string; // User id as string in CSV
-  Outcome?: string;         // optional; default is IN_PROGRESS if not supplied
+  RequestingUserId: string;
+  Outcome?: string;
 };
 
-// Valid enums for checking
-const validRequestTypes = Object.values(RequestType);
-const validOutcomes = Object.values(RequestOutcome);
+const validRequestTypes: RequestType[] = ["NEW_USER", "CHANGE_LEVEL", "DELETE"];
+const validOutcomes: RequestOutcome[] = [
+  "FULFILLED",
+  "REJECTED",
+  "IN_PROGRESS",
+  "CANCELLED",
+  "OTHER",
+];
 
 function normalizeRequestType(type: string | undefined): RequestType {
-  if (!type) return RequestType.NEW_USER;
+  if (!type) return "NEW_USER";
   const norm = type.trim().toUpperCase().replace(" ", "_");
-  return (validRequestTypes.includes(norm as any) ? norm : RequestType.NEW_USER) as RequestType;
+  return (validRequestTypes.includes(norm as RequestType) ? norm : "NEW_USER") as RequestType;
 }
 
 function normalizeOutcome(outcome: string | undefined): RequestOutcome {
-  if (!outcome) return RequestOutcome.IN_PROGRESS;
+  if (!outcome) return "IN_PROGRESS";
   const norm = outcome.trim().toUpperCase().replace(" ", "_");
-  return (validOutcomes.includes(norm as any) ? norm : RequestOutcome.IN_PROGRESS) as RequestOutcome;
+  return (validOutcomes.includes(norm as RequestOutcome) ? norm : "IN_PROGRESS") as RequestOutcome;
 }
 
 export async function POST() {
   try {
-    // 1. Read the CSV file
     const fileContent = await fs.readFile(csvFilePath, "utf8");
-
-    // 2. Parse the CSV
     const records: CsvRow[] = parse(fileContent, {
       columns: true,
       skip_empty_lines: true,
     });
 
-    // 3. Transform each record for Prisma
     const requests = records.map(row => ({
       requestType: normalizeRequestType(row.RequestType),
       requestingUserId: parseInt(row.RequestingUserId, 10),
       outcome: normalizeOutcome(row.Outcome),
     }));
 
-    // (optional) Filter out rows missing requestingUserId
     const filteredRequests = requests.filter(r => !isNaN(r.requestingUserId));
 
-    // 4. Bulk create requests in database
     await prisma.request.createMany({
       data: filteredRequests,
-      skipDuplicates: true, // in case request id/user-id already exists
+      skipDuplicates: true,
     });
 
     return NextResponse.json({ success: true, count: filteredRequests.length });